Instagram Captions for 4th Birthday Letter to Best Friend

Do you have a good friend whose birthday is coming up? If so, it’s time to start drafting some Instagram captions for 4th birthday letter to your best friend for what will surely be a memorable and sentimental post on your social media account. It can be easy to say the wrong thing in this situation, so work on making things perfect instead. below are sure collections for you to do just that.

Instagram Captions for 4th Birthday Letter to Best Friend

• Happy 4th Birthday to the girl who taught me how to be a real live human being aandn_j. I love you, small town girl!

• Best friends indeed. Four years in and going strong— we can’t wait for the next chapter.

• Happy birthday to the best person I’ve ever known. I look forward to all of the laughs, friendships, and adventures that lie ahead.

• Happy Birthday, dear friend. You’re one of my favorite humans on the planet.

• Before we were best friends, you ran around with me in circles like I was the Pied Piper of Hamlin. Now, we’re still running around, but you lead the way.

• My bestie, my constant, my haven. Happy birthday to my big sister.

• Happy birthday to my favorite person in the world.

• For a friend that’s always ready to celebrate, someone who brightens your day with a smile and always lends you her shoulder to lean on. Happy birthday.

• The best things in life are friendship and birthday cake.

• Got you in my heart and on my mind, girl. Hope your birthday is a good one.

• Today marks the start of a new season and a new chapter in our friendship. Here’s to many more wild adventures together!

• Four years already? It doesn’t seem like it’s been four years, does it?

• The warmer weather has us feeling so nostalgic for lazy afternoons. (:

• There’s nothing quite like becoming friends with someone who knows you before anyone else did. Happy birthday, bestie!

• We met on the first day of Kindergarten and I knew you’d be important to me. Happy birthday, my best friend.

• For our 4th birthday, the theme is “for all time”—in other words, this is the stuff you’ll want to pass down to your kids (if you’re cool enough to have them)

• Happy birthday to my best friend, partner-in-crime, and soul mate. Here’s to celebrating many more times together.

• Happy birthday, friend. Here’s to many more adventures together.

• Happy birthday to my favorite fashion friend!

• The four of us have shared so many adventures. We hope we can share many more. Happy Birthday, Girls!

• We’ve seen a lot of changes, but nothing has changed how much we love you.

• I’m so glad to have met you on this path of life that we’re traveling…

• Happy 4th birthday to my best bud, who’s always there to keep me company at the park, beach, and drive-thru line.

• Happy 4th birthday to the best sister a girl could ask for.

• Happy birthday to the sweetest, coolest, most loyal best friend anyone could ask for

• It has been 4 years since we’ve shared your ups, downs, laughter, and tears. We still can’t believe it’s you. Happy birthday, friend!

• Happy birthday to my best friend, the one who taught me how to make myself a priority. Here’s to your next year!

• Happy birthday to the cutest, most fun person I know.

• Happy birthday to my dear friend and partner-in-crime. My favorite memories are with you by my side. Thanks for being there for me in the good times and the bad.

• A childhood best friend is a memory within a memory.

• Thanks for being a constant in an ever-changing world.

• Friendship is the golden thread that ties together the heart of all the world

• We’re celebrating our 4th birthday and can’t believe we’ve been chilling with you for this long. Here’s to many more years. Cheers, your friends at Instagram!

• We’re celebrating 4 years of friendship today! Happy birthday, friend.

• For the love of my life: my dog Louie. Happy birthday, buddy. I’ve loved you since the moment I met you, and every day since then has been a joy!

• At 4 years old, as you take your first steps out of the baby stage, I can’t wait to see what we’ll do together next

• I promise to love you and remember you always with every beat of my heart.

• Making friends is easy. So are celebrations.

• On the count of three… 1,2,3. Happy birthday to me!

• Talking with you is like hitting the lottery

• Just remember, every adventure is worth it.

• Can’t wait for a day of naps and catching up over pumpkin pie

• A four-legged friend is the only present you’ll ever need.

• Happy 4th birthday to my best friend. Can’t believe how fast time flies! I love you more than all the stars in the galaxy and all the donuts in the world.

• Happy Birthday, bestie. May your 4th year be filled with as many adventures and love as the last!

• Happy 4th birthday, friend! We’ve shared so many memories—lunch dates, beach days, and lazy Sunday mornings. Today is just as sweet as the first time we met.

• Happy birthday to my bestie and the person who lets me pretend I’m decent at Instagram. Let’s be friends forever and always.

• To my best friend, who taught me how to be brave and bold. Love you lots kiddo. Today is for you!!

• Ahhhhh, the sweet sound of a sleepover. I love slumber parties: we stay up late, eat yummy snacks and have sleepovers… especially on your birthday!

• We’ve come a long way, my best friend

• This Saturday, let’s celebrate friendship. Our everyday notebooks are perfect for taking some notes—or drawing pictures of cats

• I’m thankful for you, my Allie Cat, who’s watched me grow up and hasn’t forgotten how to play with me.

• I’m so happy I get to spend my birthday with you—you are a blessing in my life.

• We’ve certainly had some fun over these four years

• Happy birthday, friend. Here’s to many more.

• good friends are like stars … you don’t always see them, but you know they’re always there

• A little vintage, a little shabby chic, a whole lot of us. Happy 4th birthday to the best buddy ever!

• Loving you has been the easiest thing to do and by far the best choice I’ve made. Happy birthday, my best friend.

• I want to keep you. Not because you’re my best friend, but because when I look at you, I somehow always end up with a smile on my face. Happy birthday, my one & only.

• Happy Birthday to my best friend. You’re the glue that holds me together on all of life’s little adventures.

• We’re celebrating four years of friendship, laughter, and a lot of birthday cake. Thanks for being there for me. You’re the best!

• 4 years of friendship, laughs, and late night pizza. Thanks for being the best bud

• I’ve been so busy planning your party I haven’t been able to complete my homework.

• Sometimes you just have to look back at the good times and appreciate how far we’ve come.

• We might not remember a lot of things, but we will always remember our dear, sweet friend.

• Happy birthday! Now it’s legal to bust my chops.

• I’m sure you’re celebrating too, wherever you are in the world. Happy 4th birthday

• 4 years ago, I never thought the little girl who hid her face behind my shirt would blossom into the incredible woman she is today. Happy Birthday to my best friend

• Life will always keep you guessing, but no matter what we’ll always have each other. Happy birthday to my best friend.

• Happy birthday to my best friend, I wouldn’t know what to do without you. Here’s to many more birthdays together!

• Happy Birthday to my bestie and sis from another Mississippi. I can’t wait for the next 4 years of adventures!

• Happy Birthday, dear friend. Here’s to another year of us getting each other through everything.

• Happy birthday, my favorite human. You make me laugh so hard that milk comes out of my nose.

• Happy Birthday to my actual favorite person.

• Happy birthday, friend. I look forward to many more adventures with you.

• Ahh, birthday week. I don’t know how you’re so old already, but luckily I still feel like we’re four years old together

• Excited for a weekend with our best friends celebrating 4 years of friendship. Happy Birthday, BFF!

• Happy birthday, best friend. Here’s to another year of laughs, love, and life!

• As you turn four years old, we can’t help but reflect on all of the memories that have been made!

• Best friends do everything together—and some things are better apart. Happy birthday!

• Isn’t it funny how, as we get older, birthdays are just reminders of the distance we’ve gone to become our best selves? Happy Birthday, my best friend.

Captions for 4th Birthday Letter to Best Friend

• Happy birthday, and here’s to the next four years of a bonkers, beautiful friendship.

• Hope you have a fantastic day…and that you don’t need to use the puppy eyes to get somebody to take a picture of you and your friend.

• Ain’t nothing like a friend who’s got your back. We’ve laughed, cried, and fought together. You’re always there when I need ya. Thanks for being my BFF!

• 4 years ago today, you taught me that life’s too short to only wear black, and how to smile with my eyes. Here’s to seeing stars together.

• Thanks for sticking with us this long. Seriously, your friendship rules.

• Celebrating wishes and blessings in this beautiful space. Hope your day is as good as these treats. #happybirthday

• Happy birthday to you. Happy birthday to you. Happy Birthday dear _, happy birthday to you.

• On your 4th birthday, we want you to know that you are our world. We love you more than words can ever say

• It’s our birthday and we’ll caption if we want to Happy birthday bestie!

• Happy Birthday to the best friend that anyone could ask for!

• I am always there for you and you are always there for me. And besides… You are my best friend.

• Tomorrow is our birthday, and we’ll be 1/4th of a century old. It’s been such a blast, thank you for being my best friend.

• Today, let’s celebrate the best friendship of all time. Happy birthday, friend.

• When we look out at the horizon, the possibilities are endless. Happy birthday, my dear friend!

• Happy Birthday, friend. You’re the very best of everything and everyone.

• Throw us back to the wonderful times we’ve shared… And cheers to the wonderful years ahead!

• Happy 4th birthday to the love of my life. You get 3 kisses and a big bear hug from me because I can’t kiss you on your face… for obvious reasons

• Happy birthday to the bestie anyone could ask for. You’ve made me a more loving, open-minded person and I hope it’s the same for you

• Happy birthday friend. 4 years gone and we still can’t get enough of each other.

• Happy birthday to my bestest and oldest friend! Hope you have a great day, wish I was there to celebrate with you!!

• Happy birthday to my sweet friend. I can’t believe it’s been four years since we met and I’m so excited to see what the next four hold.

• It’s our birthday! 4 years of friendship, fun, and adventure. Here’s to 50 more years of laughter, love, and a whole lot of sparkle.

• Happy Birthday, my dearest friend. I wish for you a lifetime of joy and happiness.

• 4 years strong. A little note for my best friend for her birthday

• You’re the best friend I never knew I always wanted. Happy birthday

• Happy birthday, bestie. Here’s to a lifetime of memories and laughs, shared and enjoyed together. #bestfriendday

• I hope everything is going well for you, my dear. No matter how much time goes by, I’ll always treat you as my best friend.

• Happy birthday to my best friend and twin. You are the sun to my moon and I love you more than words can describe!

• Happy birthday to me. It’s been 4 years, and I am still struggling to find the words to describe how much you mean to me.

• Let’s make next year our best one yet. Happy Birthday, friend.

• The years have passed so quickly. Thanks for being my friend. Here’s to many more birthdays, adventures, and laughs. Cheers to you!

• Birthdays are better shared with your best bud. HBD wishing you a year full of love and laughter

• Cheers to those who have stuck around for the wild ride.

Quotes for 4th Birthday Letter to Best Friend

• 4 years ago today, I was given the best gift I could ever ask for. You are my best friend, my biggest supporter, and my partner in crime

• Happy Birthday to the bestest friend a dog could have. We’ve been through it all (or at least most of it). Cheers to many more years filled with friendship and fun.

• I always hoped that we’d stay best friends forever, but I never knew it would be this good. Here’s to many more years.

• Happy Birthday to my best friend, I love you more today than yesterday, not as much as tomorrow.

• 4 years ago, we started our friendship and the adventures haven’t stopped since.

• Another year and another big celebration of friendship between the three of us. Thanks for the memories, Katia. Hope to make many more with you and Jun!

• Happy birthday, ewe I hope it’s your best birthday yet!

• Hope you had an awesome day! You will always be one of the first people I think of when I’m feeling good.

• The best friends are the ones who can make you laugh when they’re not even there.

• Four years down and many more to go, we love the memories we’ve made.

• Happy 4th birthday to the most important person in my life.

• Happy 3rd birthday to my best friend. I’m so glad I get to celebrate you every year.

• How did we manage to stay best friends for 4 whole years? Happy Birthday

• Dear best friend, this is for you. I know it’s not a birthday, but it felt right somehow. So here goes.

• Happy birthday to the best friend a girl could ask for. Here’s to many more.

• Happy Birthday. Wishing you many more chances to take over the world, and many more chances to be a hero too.

• Congrats on 4 years of friendship, laughter, and shared memories! Now let’s get to the important part: cake.

• Four years of friendship have blessed me with some of the greatest memories, and I’m so excited to make more with you!

• Happy birthday, friend. I wish you all the best on this special day—and all the days that follow.

• Cheers to the person who knew me before I had my first drink and still stuck around. Here’s to many more years of friendship.

• Throwback to our 4th birthday letters, where I was just starting out as your best friend.

• Happy Birthday to my best friend, lover, partner in crime, and troublemaker. Love always. XOXO

• Happy Fourth Birthday! It’s been a wild ride so far, but definitely the best time of my life. Here’s to the next four years.

• Dear John, you have been my best friend since the very first day I met you. Thank you for being there for me when I needed you most. Happy birthday, bro!

• Friendship is magic. Thank you for always being there for me. You’re the best friend a girl could ask for.

• The only thing that matches your happiness, is my love for you.

• Four years ago, you were the first person I told when I was a finalist for the school play. Four years later I’m telling you that another dream of mine came true: being an author!

• Happy birthday, you! I love sharing your big day with you!

• We’ve come a long way from the days of watching “A Bug’s Life” and building crazy contraptions out of Capri Sun straws

• We met on a Tumbler. I commented on your captionless photo and asked you to write a caption for the pic. We’ve been inseparable ever since

• Happy birthday to my favorite sidekick! I love that we’ve been through so much together and can now rely on each other in any situation. Happy birthday, buddy.

• Happy birthday to my favorite person in the universe. I can’t wait to celebrate all night with you because we are never, ever getting old.

• 4 years of friendship, roller coaster rides, and some laughs thrown in for good measure.

• It’s your birthday! The best day to recall all the most important things you’ve learned, and why we love you. HBD!!!

• Birthdays are for celebrating how far we’ve come and how much closer we’ve grown. We’re so happy to share this special day with you!

• Fall is a season of turning. It’s one of those semesters where you get to change things up and start fresh.

• Happy birthday to the most loyal, loving, and supportive best friend I could ever ask for… You are so dear to me

• Happy birthday to the best friend a girl could ask for — you’re so much fun and make me smile every single day. I love you!

• Happy Birthday to my best friend <3. It has been a wonderful decade of friendship and I feel blessed to have you as part of my life

• When we were little, you cheered me up when I was sad: now it’s my turn. Here’s to 4 years of friendship and staying in touch

• 4 years ago today I met a little guy. This weekend we’re headed to LA for a trip full of love and laughter. Thanks for being my sidekick, best bud

• I can’t believe you have been in my life for 4 years!

• You, me, and a bottle of wine… but all she wants to do is play Fortnite.

• Just wanted to say thank you 4 being you. I love what you’ve done with this place

• Life is a crazy adventure. You’ve been there every step of the way, and I can’t thank you enough for that. Here’s to many more years as…

• Can’t believe how fast it’s been. Here’s to many more years of friendship, laughter, and inside jokes.

• Took you a long time to realize I’m the friend, who can be talked about for hours without getting bored of me.

• To celebrate, we took a walk down memory lane to remember all the adventures we’ve been on together.

• 4 years you’ve been my best friend and now our forever has begun

• happy birthday to my best friend, thanks for always being there for me even when it’s not convenient for you. I wouldn’t want anyone else in this crazy world.

• I can’t believe it’s been 4 whole years. Here’s to you, my best friend!

• So glad you’re my BFF! It’s been 4 years since we started the best friendship in the world. I will always treasure and remember our memories together.

• Happy birthday to my best bud, the one who takes the BEST pictures of me and hates tomatoes

• Happy birthday! Here’s to four years of laughing together and four more years ahead.

• Happy bday my beautiful sweetheart! I love you so much!

• Four years down, still going strong

• 4 birthdays and 5 Christmases later, here we are. All grown up and out of diapers.