Malala Yousafzai
"Hi, Instagram! So happy to be celebrating my 21st birthday in #Brazil!"
Julia Roberts
"Hello."
Kim Kardashian
"My first instagram pic... Kisses for instagram!"
Vanessa Hudgens
"Oh. Hello. Officially on Instagram."
Lea Michele
"mom, dad & me (aka baby Rachel Berry)"
Kristen Bell
"I don't know how to use instagram but I do like this picture."
Chris Hemsworth
"Hangin' with the locals in my backyard… the real Jurassic Park!"
Taylor Swift
"Found this photo of my grandmother. So lovely."
Ed Sheeran
"First instagram post, on the way to hackney weekender"
Demi Lovato
"You better be watching X Factor tonight!!"
Justin Timberlake
"Take a good look, only time you'll see no traffic on the 101. Headed to Staples. #JTGrammys"
Rebel Wilson
"Yep, it's now really me on Instagram!!! So now I have official Twitter and Instagram...and monkey pictures...#blessed"
Robert Downey Jr.
"Come get me, Instagram..."
Katy Perry
"Go to @voguemagazine's Facebook page for the full cover! #KatyPerryJulyVogue #MyFirstInstagram"
Lana Del Rey
"my father"
Yolanda Hadid
"Wake up your man with a fresh cup of coffee, BE wise, Keep your romance alive!"
David Beckham
"Good morning and hello! It's great to finally be on Instagram, been a long time coming but I can't wait to start sharing all my special moments with you. Thank you for all your birthday messages so far. Looking forward to a great day with friends and family x"
Nick Jonas
"Gun range with @kevinjonas & @papajonas"
Gigi Hadid
"V's 1st BDay!!"
Ariana Grande
"Me & grandpa!!! He's wearing his Ariana army hoodie! Hehe... I love him more than anything. ��⛄��"
Zooey Deschanel
"Love these hellogiggles ladies! @molls @ihaas @bethbehrs !"
Liam Hemsworth
"Spent Friday with the most beautiful girl in the world. Kermit, #SorryNotSorry. #TheMuppets #misspiggy"
Blake Lively
"Hello! =) Sorry to any of you who've been following fake accounts. While this post here is my first on social media, my home will actually be @preserve_us. Hope to see you there!… xx, Blake"
Nicki Minaj
"It's Barbie Bitch!!!!!!!!!!!!!!"