If you are looking for the best Instagram captions for a birthday letter, maybe your best friend is turning 1 year old. If so, congratulate them with an amazing Instagram post, and don’t forget to throw in some quotes.
Table of Contents
Instagram Captions for 1st Birthday Letter to Best Friend
• Always take time to celebrate the little victories—they’re the ones that matter most.
• We just know we want to be there for these milestones, to celebrate your first birthday together with you.
• Bursting with excitement at the thought of celebrating another year together. Happy 1st birthday to my best friend.
• Dear best friend, after a year of fun, chaos, and cups of coffee (or however you like your coffee) we have finally tumbled into the big ONE.
• Happy Birthday to my best friend and life partner Here’s to another year of adventures, laughs, and love.
• You’ve been my best friend since the day we started
• Turning 1 is always a big deal—for humans and for dachshunds. Congrats, puppy!
• To my dear friend. You’re the little piece of home that I get to bring everywhere.
• Nobody’s really sure where it started or who decided we should celebrate the first year of our best friend’s life with a cake and a party.
• Wishing @bbyvms a very sweet and happy birthday
• And to all the birthday wishes, I wish you fun, happiness, and a lifetime of memories
• You’ve got me wrapped around your finger. And I don’t mind one bit.
• It’s your birthday, the day you became my best friend . . . and I’m never going to let you forget it.
• Someone is turning 1! Celebrate the milestone with balloons, cake, and lots of love. Happy Birthday 👶 #FriendsForever
• 1 year. So good to know that even if our lives take different trajectories, we’ll always be looking for adventure together. #bestfriends
• Celebrating you on your first birthday, my friend. I wish you all the happiness in the world. 😊🎉
• Thank you for being my other half, I love you my best friend.
• My sweet friend, I still remember the day we met. I’d love to go on and on about how you’ve changed my life for the better but there’s only so much a caption can say!
• It’s been your first year of smiles, firsts, and “my first this” so Big congratulations on a big! #friendshipgoals #bffgoals
• Life is beautiful and I get to celebrate with you. Here’s to many more years!
• Who says you can’t do it all? From our little family to yours… happy birthday!
• Celebrating your first birthday with a hippo-size stack of your favorite books! #happybirthday
• To my friend, you have been there from the start. Thank you for always being such a great friend!
• BFF, you make the rest of my life so much sweeter.
• Happy Birthday to us, happy birthday to us, happy birthday dear friends, happy birthday to u-u-u-us!
• Thank you for being my second skin, and supporting me through everything. I love you to the moon and back. Always and forever.
• Happy birthday, bestie. One year of friendship has changed my life for the better.
• Because you’re my best friend and I’ve loved every minute of the journey…
• No matter where life takes us, you’ll always be my family. Happy Birthday!
• How the heck did you turn 1 already!? 1,000,000❤️happy birthdays.
• Happy birthday to the friend who knows exactly which shade of blush looks best on my cheeks and who taught me how to throw an adult party at age 19.
• Our friendship is going to be so legit when we’re old ladies.
• I’m so glad we’re best friends for life. Shake it out with a few brews—we’re just getting started!
• I want to be, your history. I want to live, in your arms. I want to be, a big part of your life. I’m ready for the next chapter…
• We don’t need the calendar to tell us when these sweet months are. #birthdaymonth
• You’re going to be a one-year-old kitten, and I’m going to miss you.
• Wow, this is crazy. It’s been 1 whole year since we started brainstorming the idea for this app together. And a year later it’s just as fun as ever.
• Glad you’re here to celebrate our first year of friendship. Here’s to many more years with you by our sides
• Today, my best friend is turning 1! How did that happen? I can’t believe we’ve been hanging out for a full year now.
• Your best friend is like your ever-changing mood board. You’ve seen her in so many different looks, but you could never get tired of each one. Here’s to the next five years, babe!
• Happy birthday to the best little pal
• It’s your first year of seeing the world and of being seen. You’re a mirror for what matters to me, and you reflect it back tenfold.
• Hope your birthday is filled with laughter, love, and happiness. 😘
• Thank you for always being there for us through thick and thin. We can’t wait to celebrate your next big milestone together.
• Month one you have brought us so much joy 💗 🎉 🍰 🎈 🎁 #babyanniversary
• Cheers to old friends, new friends, borrowed friends, and blue friends 🍹
• Let’s celebrate your #1stBirthday together with our best-tasting cake.
• Clink back and celebrate turning one with this adorable photo pinata – so fun and easy to make!
• Nothing makes a weekend better than a birthday celebration.
• It’s not called the birthday weekend for nothing.
Captions for 1st Birthday Letter to Best Friend
• I can’t thank you enough for all the joy and happiness you bring to me. You’re an angel 💫 #bestfriend
• I can’t wait to see where we will be in our 30s, 40s, 50s, and beyond. #butfirstletmetakeaselfie
• You’re the best thing that’s happened to me in a long time and I’m so glad that we get to celebrate your first birthday together.
• We’ve been through so much together, but I still feel the same about you today as I did on that very first day. Here’s to another great year of friendship
• You’ve been with me every step of the way since then, and I can’t wait to see what’s next #friendsforlife
• You are such a special person in my life and I am beyond blessed to call you my best friend.
• To my 1st best friend, happy birthday. The person I enjoy spending time with more than anyone else and the first one I want to call when something amazing happens.
• Dear Emma,💕 It’s so hard to believe that it’s been a year since you came into my life.
• I don’t know about you, but I’m looking forward to celebrating your 1st birthday with you.
• Congrats to my #bff on her first birthday! You’re the best—I hope you have a fantastic year!
• We’ve had a lot of fun together these last few years and there are still many more to come. Happy birthday, bestie!
• Bestie, happy birthday! You’re the sweetest little thing and I’m so glad to be a part of your life.
• Cheers to birthdays and best friendship milestones, here’s to the sweetest friendship that I’m so lucky to have.
• Happy birthday to my best friend, who taught me that I can actually be pretty chill and it’s awesome.
• Life with you has been a blast, from college to our 1st apartment and now the new adventure of homeownership.
• Thank you for sharing your life with me. I couldn’t have asked for a better friend, sister, and mentor.
• Wow! I can’t believe it’s already been a year. Here’s to many more
• It’s been a pretty fantastic first year with you!
• Today marks one year since you became my bestie.
• Hey there, little miss. It’s been quite a year, hasn’t it? I’ll never forget that special day you came into my life.
• I can’t believe it’s been a year since you asked me that question–it feels like yesterday!
• You’re the best roommate I could’ve asked for. Thanks for making my first year in this crazy city wonderful!
• You know when you meet someone, and you just feel like you’ve known them your whole life? That’s us. Happy birthday, sweet friend.
• So much time and so many stories, so many adventures. You made every day an adventure. Happy birthday, friend. Here’s to you.
• *clink of wine glasses* To best friends, old and new, who are there to celebrate whatever this next year brings.
• When we first met, you helped me with my first brew before I knew any better.
• Celebrating you with the best ice cream we can get our hands-on
• Like our first year of friendship, your birthday celebration should be low-key and super chill. Happy Birthday!
• Growing old with this coffee and cookie cake till death do us part.
• HAPPY 1ST BIRTHDAY to one of my closest friends—you’ve always got my back no matter what. I look forward to many more fun times with you
• Happy 1st birthday to my main man 🥂🎉, who starts every night with a bottle of bubbly and ends it by staring at his thousands of followers. 😀
• Birthday wishes to my best friend… Here’s to another year of happily ever after
• I’ve known you since you were one. Happy 1st birthday, my friend.
• Happy birthday to my BFF! I hope this year has been everything you’ve hoped for and more.
• From skydiving and bbq to waffle cones, your friendship has been the sweetest thing about my birthday. Thank you for being in my life! 🎉😎
• Sometimes you get so caught up in the day-to-day (hashtags) that you forget to appreciate the big picture. I’m pretty lucky. Thanks for always being there, 1BMC.
• I’ve been blessed to be your friend! I know we’ll have even more good times ahead. Happy birthday, friend!
• Wishing my BFF a very happy birthday! I love you to the moon and back
• It’s been one heck of a year—you’ve taught me the true meaning of friendship and I’m forever grateful. Here’s to many more.
• Having this beercation with my favorite gal pal the other day was so damn fun! Will I see you at a brewery in your town soon?
• Chilling out with my bestie-friend celebrating her 1st birthday
• You’ve been with me through it all for the last year. Here’s to many more!
• I’m so happy we’re doing this together. XO
• because we made it through one, let’s make it through another hundred years. you’re the wind beneath my wings and a star among stars#birthdayatthewheelers
• Growing up with you has been the most incredible adventure. Here’s to all of the fun times that await us in Year 2!
• Treat yo self to 1st birthday cake to celebrate.
• It’s your 1st birthday. Officially a year older than you were yesterday. Enjoy the day!
• To my best friend, who was there for all the good and bad times. Happy birthday, friend.
• We’ve been there for each other every step of the way. Here’s to another year of being best friends
• We’ve been besties for a year now, and you can’t tell me that isn’t a journey. A pretty rad one at that.
• Thanks for helping me make it through the messiest, smelliest year of my life. You will always be my first friend. 💙
• We are exactly 1 year old today. I hope we’ll continue to grow together and have as many fun adventures as possible!
• I don’t know what I would do without you. You’re the first one that made me feel like this was okay.
• I didn’t actually think you’d make it to one. But here we are. And I’m so glad that I like having you around. Happy Birthday, Bessie
Quotes for 1st Birthday Letter to Best Friend
• You’re the sweetest dream I’ve ever had and getting to spend every day with you is absolutely amazing!
• Here’s to all the milestones we’ll find together in the years ahead. Cheers to you #mybestfriendforever
• Hope your birthday is filled with equal parts love and laughter
• Hello, I’m a 1st birthday letter for your best friend.
• Happy Birthday to my lifelong friend, the best kind of person to travel the world with, and a future businesswoman—I love you! 💕
• Happy 1st birthday! May your whole year be filled with naps, good books, and adventures to come.
• Happy birthday to the best friend ever. I can’t believe we’ve known each other for a full year already!
• Turning 1 is a big milestone. Toasted to the ones that help you get there.
• Happiest birthday to my favorite human
• We’ve been through so much. Here’s to another year. We love you, BFF! ##
• The greatest gift of friendship is not the hours spent together, it’s the moments that never fade away.💕
• We started off as friends, and now we’re family. Cheers to a great year full of love, laughs, and lots of chocolate cake. Here’s to many more!
• Hope your birthday is everything you hoped it would be. Love, Meghan
• You look like you’re up to no good and you should be pronounced guilty of the crime you’ve committed against cuteness.
• Happy first birthday to our 1 and only best friend. You’re the very best, and we love you so much.
• Squishing my face against yours to celebrate your 1st birthday
• Happy birthday to my best friend who is always there for me and makes me laugh when I need a good pick-me-up! #bestbuds4lyfe
• Happy birthday to my very old but also very new best friend. I’ve known you since you were 6 months old and now you’re six💕
• You deserve a whole cake just for being the awesome friend that you are
• I can’t believe it’s been a whole year since we started this little letter project of ours. Thank you for being the best (and most patient) friend in the world
• 1 year ago today I got to hold you in my arms. The feeling of being your mama was like no other.
• Happy birthday! You make life a little more fun, brighter, and better. This year has been the best—thanks for being in it.
• I love you little one, so much. I can’t wait to see how you grow and develop over the years, it’s going to be awesome
• I’m so lucky to have you in my life. Here’s to a lifetime of happy trails.
• You have always been there for me through thick and thin. Here’s to many more birthdays to come . . . and at least 2 more episodes of Game of Thrones
• Remember the first time we met in preschool? There was no looking back after that. Happy birthday, old friend
• It’s your birthday, and you’re officially one year older. Feels great, doesn’t it? We’re so happy to celebrate your big day with you! We love you so much!
• A friend knows your weaknesses, yet believes in your abilities. A friend respects you as much as you respect yourself. – Unknown
• Turn that frown upside-down. It’s your first birthday and you’re probably surrounded by a lot of smiling faces. Be happy to be celebrating, even if you don’t feel like it.
• Nothing but good vibes to my best friend on your 1st birthday. Let’s make it another year of smiles and laughs
• I’m sending you this letter so that you’ll know how fortunate I am to have you as a best friend.
• Wishing you all the best on your 1st birthday.
• Made it to the other side of this milestone birthday and am so happy I made the trip with you.
• Happy birthday and many happy returns to our favorite bestie. We’re so lucky you found us, and we love you, even more, today than yesterday ☺️
• One year ago you came into our lives and changed everything for the better. We love you, kiddo
• Happy birthday, my dearest friend. Here’s to many more, may our friendship always grow.
• One year ago today, I wrote a letter to you thanking you for everything you did and said during the best six weeks of my life.
• Eeh maan, 1 year of friendship, and I feel like it’s been forever. I don’t my life without you in it and we have so much time left to be friends. Love ya!
• It’s your birthday, you’re 1! In that case, we would like to say happy first birthday, have fun, and party all night long.
• It’s your birthday, so we’ll call you Honey P.
• Hey there, it’s been a pretty sweet ride so far. Thanks for being such a good friend.
• Life is short, but it’s not too short for a birthday letter to your best friend! ☺️💕
• Throwing a #1stbirthday party for one of my best friends. Gotta do it big.
• Happy birthday to my best friend, partner in crime, and the love of my life. Here’s to all the adventures we’re about to have. I can’t wait for what’s next!
• Happy birthday my best friend. Cheers to you and all of our adventures in this life and the next.
• Happy birthday to my favorite person to travel with. Thank you for your love and for making my world so lovely.
• Happy birthday buddy 🍰 I love you and am so thankful we are still friends a decade later ¯\_(ツ)_/¯
• One year ago, a tiny baby arrived. Wow, she looks just like me 😻
• From sticky hands to sticky buns and everything in between, we’ve loved celebrating our first year together with all of you. Happy birthday!
• Laughed so hard I almost peed myself today. #BFFforever
• To my best friend, who knew what she was doing when she convinced me to drink that awful champagne on our first date. Here’s to 1,000 more memories.
• We can’t stop laughing because we’ve been friends for so long.
• Birthdays are always a good reason to celebrate the people in your life who mean the most to you. Yay for 1st birthdays and best friends!
• Dear BFF, you are the best thing to happen to me in a long time. Happy birthday !!!
• Birthdays are a time to celebrate the fact that you have always been there for me and will always be my best friend 💖👭
• Happy birthday to the friend who always makes me laugh until I pee. I love you to infinity, my favorite person ever.
• Bestie, I can’t believe how much we’ve been through. Look at us now!
• Celebrating our friendship for 1 whole year. Here’s to many more years of adventures to come.
• I can’t believe it’s been a whole year since we’ve met, but here’s to many more.
• We’ve come a long way since you were being wheeled into the delivery room on a cart and I waddled out behind you. #1birthday
• Happy 1st birthday to my best friend, the one that always makes me laugh even when I’ve had a long hard day.
• Y’all are my ride or die, literally and figuratively. Happy 1st birthday to the squad.
• Wanna make the long-distance friendship work? Start by sending your bestie a letter.
• Congrats to my bestie @martha_soriano on her birthday today! Here’s to wishing you more years ahead filled with health, happiness, love, and more coffee.
• Happy birthday to the bestie that puts up with all of my stupid stuff
• Presents, cake, and a temporary tattoo of her height? It’s her first birthday.
• To my first friend, and the best one of all.
• There are no words to describe how thankful I am for our friendship and the memories we’ve shared.
• We’ve come a long way from our front porch swings and glory days of being the best of friends. Happy birthday, Katie!
• Thanks for always, always being my person.
• Happy 1st birthday to the best friend I’ve ever had.
• Happy Birthday, my best friend. I’m so grateful to share this day with you and can’t wait to see what life has in store for us this year.
• Happy birthday to my best friend. Here’s to a lifetime of memories and laughs with our little posse.
• You are my best friend. I am honored to be your bridesmaid and excited to celebrate you as you start this next chapter of your life.
• I’m so happy to celebrate with you. You’re my favorite human and I’m so lucky to be on this journey with you.
• Happy birthday to my favorite person, I wish that you are happy and blessed on this special day. I will always love you, in every way!
• Let’s drink beer, eat cake and celebrate the fun memories we’ve made together. Time flies when you’re having friends.
• Man, I am so glad we’ve been through everything together. Can’t wait for more adventures to come.
• I’ve had a few birthday cakes now, but this one is definitely the sweetest 🎂
