Gigi Hadid threw a star-studded birthday party with pals including Taylor Swift, Kendall Jenner and Kourtney Kardashian bringing their A-game for the event.
Elsewhere, birthday wishes also flew in for Jessica Alba, who enjoyed a day with friends and family, while Victoria Beckham had Brooklyn by her side at an event in her London store.
Come dive into all the latest A-list Instagram action, right here.
Jessica Alba rocks the birthday crown
Best bday morning w my @kellysawyer -love you my sweet! Xoxo
... while her hubby delivers a touching tribute
I still get butterflies in my stomach around you. I still wake up in the middle of the night and smile because you're next to me. I still laugh at your jokes. I am still inspired by you. I'm still in awe of your beauty. The only thing that's changed since the first day I met you is our age. Happy Birthday my sweet love!!!@jessicaalba
... and her kids get in on the action
Feeling so loved today
Kerry Washington sends her love
Happy birthday Beautiful. Love you! XO
Reese Witherspoon doles out the birthday wishes
#HBD to @jessicaalba! Keep shining bright, pretty lady!
.... before throwing it back to clear blue seas
#tbt to beach days with my little guy #SpringBreak
Work is a family affair for the Beckhams
I love having my family with me at work. Late night at Victoria Beckham Dover St London @brooklynbeckham @davidbeckham #VBdoverst #VBHongKong X wearing my favorite VB shoes! X VB
Kim Kardashian snaps a selfie with Naomi Campbell
So proud of @iamnaomicampbell on the launch of her new book! Looking at these collection of images is so inspiring! Thanks for signing a book for North! Love you!!!
Gigi Hadid's friends unite
When high school and post-high-school BFF's are united
Taylor Swift cosies up to the birthday girl
This is what you came for. @gigihadid @lilyaldridge
... before striking a pose with Lily Aldridge and the Haim girls
We go fast with the game we play. @haimtheband @lilyaldridge
The Kardashian/Jenner sisters join the party
Happy birthday Gigi!
Allison Williams pays a visit to Facebook HQ
Should have visited @Facebooksooner...not a lot of real estate left on this wall. Also. Doesn't my butt look like a face? I guess that's better than if my face looked like a butt... #DeepThoughtsWithAllison
... and discovers some unexpected features
Spent the morning at the New York @Facebook office, which was full of surprises. Including this column devoted to my Captain Hook, Christopher Walken. I love him too, but... #WalkenWall
Naomi Campbell is pretty in pink
Off to my la @taschen #taschenworldtour #2016 #artofbeauty #naomi @jgalliano #vintage @lexyroche #lilyac #blessed
Kourtney Kardashian throws it back to her 30th birthday party
TBT: Viva la Birthday! On my app. #LinkInBio
Kate Hudson suffers a familiar fate
That moment when you wake up and can't wait to post a pic from last night cause it was so fun with all your friends and and all you have is a mirror selfie with the one friend you're with ALL THE TIME .... @sophielopez #MothersDayPremiere #nyc
Salma Hayek ramps up the hashtags in honour of Penelope Cruz
#happy#birthday to my #brilliant #beautiful #loyal @penelopecruzoficial You continue to #inspire me and I #feel #blessed that we are #friends #felizcumpleaños #amiga #penelopecruz que sigue siendo #inspiración #bendicion en mi #vida #bff
Mindy Kaling takes on her alter ego
Mindy Kaling vs. Mindy Lahiri
Victoria Beckham tests out her shades
Happy Wednesday!!! X love and kisses from London X X VB
... and snaps a selfie
So much fun tonight at Victoria Beckham Dover St London X Thank u @CathayPacific X Kisses from London! X VB
Reese Witherspoon shows off her daily jewels
Love my blues @jenmeyerjewelry @markdsikes @draperjames
Lena Dunham can't wait to get started
I spy with my little eye a very cute and very excited @lenadunham on our first day of rehearsals for Season 6. Always and forever my #WCW. @girlshbo
Amy Schumer calls on the A-List
FaceTime with the goddess Goldie Hawn making my dads dream come true
Naomie Harris rocks bold blue eyeliner
Today was all about electric blue eye liner and scarfs.... because why not! Hope you all had a great day!! Xx @bibiherron
Brie Larson's world turns upside down
Something to try.
Emmy Rossum lets her friends loose
When shoes come with a permanent marker and your friends get creative.
Suki Waterhouse customises her denim
Jessica Alba gets a head start on birthday celebrations
So much fun on my early bday celebration feeling loved and blessed.
... and perfects the casual photobomb
Classic Alba always ruining my photos @jessicaalba #collectingfreckles
Victoria Beckham relishes the spring sunshine
Sun is shining fashion bunnies School run done and on the way to work.You can't beat London in the sun #funinthesun X VB
Kate Bosworth lends a shoulder
Brie Larson mixes birds with bling
Happy Saturday. (Bracelets and ring props to @rodarte)
Karlie Kloss shows off her green fingers
Sundays in the Spring are best spent gardening with Mom
Taylor Swift treats Gigi Hadid to a night at Coachella
Birthday Weekend Goals-met vibes. One night at Coachella, thank you T!
Diane Kruger works what she's got
Frizzy hair don't care
Allison Williams is reunited with her pooch
One of the highlights of my days: running into Moxie when neither of us is expecting it. She jumps into my arms like the 62 pound baby she is, and it fills me with joy.
Khloe Kardashian has a moment with North West
My Northie. Thank you sister for capturing this moment @kendalljenner
Reese Witherspoon gets painted
Wow!This gift from my girlfriends ... My portrait by@drawbertson. Thank you ladies!!
Zoe Saldana enjoys a family holiday
Good Morning... Buenos Dias... Buon Journo...
Alexa Chung tries out a new look
Woman replaces personality with snapchat filters. Claims "it's easier this way". Last seen talking to herself and filming it. Truly believes she owns a puppy that looks just like her.
Elizabeth Olsen makes her loyalty known
Ellie Goulding takes it easy
Suki Waterhouse debuts a new 'do
NEW VIBES Thanks
Rebel Wilson visits a wellness retreat
OMG just finished 4 fantastic days at #TheRanch4.0 ...so challenging but very rewarding! Not to mention I lost 8 pounds from marathon hiking over the 4 days! Thanks to the amazing staff and masseuses (free daily massages are part of the program)!! Feeling great!! @theranchmalibu @fswestlake #TheRanch4.0 #theranchatliveoak
Kate Hudson, Poppy Delevingne and Rosie Huntington-Whiteley join the bridal party
Happy Birthday @katehudson @derekblasberg @jenmeyerjewelry!!! Last night was FUN!! #AnnualHotMessParty #Trainwreck #WeddingEdition
Kate Hudson got her crimp on for the occassion
No one does #hotmessbride better then these three @iamsarafoster @katehudson @jenmeyerjewelry
#lovethesegirls #hbday #ustilllooksopretty XoRZ
Rosie Huntington-Whiteley catches the bouquet
Why is @rosiehw this beautiful while trying to be a hot mess bride?#ustilllooksopretty #lovemesomerhw #supermodelforever Xo RZ
Gwyneth Paltrow snaps a morning selfie
Selma Blair wishes Jaime King a happy birthday
16 years of friendship. And I loved you from the start. I wish I was at least with you today. You, whom I admire and always will hold you as my Sister. Happy birthday @jaime_king only love from across the continent.
Victoria Beckham shows off Harper's latest work of art
Happy Sunday!! David Bowie by Harper X #proudmummy X VB
Emily Ratajkowski hits the streets in Cuba
Naomie Harris finds handbag heaven
Now THIS is one serious bag collection!!!! #designerbags #Saturday
Chrissy Teigen snaps a pic with Luna Simone
Mindy Kaling piles on the jewels
A whole lot of @suzannekalan before 9am
Reese Witherspoon introduces her new pup
Introducing Pepper ! Welcome to the family #frenchie #cutenessoverload
Gigi Hadid celebrates her birthday with the family
birthday week begins
... while Bella Hadid pays tribute to the birthday girl
Happy birthday to my best friend Thank you for being you and making me laugh til I cry. You have grown into the most incredible, kind, generous, loving, beautiful big sister I could ever ask for. You are my squishy cheeks!!!! I love you very much also you're still only 5. HAPPY 21 !!!! @gigihadid
... and proves she's her sister's No. 1 fan
Taylor Swift shouts out to Gigi Hadid
This beautiful, intelligent, thoughtful, hilarious person turned 21 today!!!
I love you @gigihadid!!
Lady Gaga makes a flower delivery
Cherry blossoms for my baby.
Allison Williams relaxes in her party dress
#FBF - birthday girl at rest after the ball. [balloons]: husband. [pic]: @johnmayer [dress]:@giambattistapr