Demi Lovato
Demi is showing her wild side out with some funky nail art. She praised her nail artist, "Thank you @mmmkandiyamz for my Bomb nails!!!!!"
Adele
The beautiful Brit's in an empire state of mind, joking, "Heres a pict of me & Queen B last wk in NYC!!!"
Miley Cyrus & Kelly Osbourne
Awww! It's not all superfierce red carpet poses for these BFFs, who tweeted out a more playful shot from the People's Choice Awards. "This describes us perfectly," Cyrus wrote.
Kendall Jenner, Kylie Jenner, Kourtney Kardashian & Mason
Giddy up! The family gets together for Mason's Wild West-themed 2nd birthday party. Proud auntie Kendall tweeted, "masons 2nd birthday! he looks so happy... lol"
Jessica Alba & Haven Warren
Awww, the adorable 5-month-old's mom shared this cute photo of her second daughter along with the note, "Someone's not really sure how she feels about solids."
Alan Cumming
Congrats! On the fifth anniversary of his London wedding to partner Grant Shaffer, the duo renewed their vows in a New York ceremony in front of friends and family. "I just got married!!!!!!" Cumming tweeted. Nice to see the spark still burning bright, fellas!
Hilary Duff
Give 'til it hurts? That's still a few months away for the star, but she shares her gift (painted by sis Haylie) for the holidays.
Mariah Carey
The superstar mom gets her merry on at a holiday party in Aspen, happily tweeting that she's wearing the same outfit she wore for her first-ever Christmas video.
Jason Segel
Posing with his alter ego, the actor is having almost too much fun promoting his new Muppets film. In between shows he comforts his followers: "Safe and sound!!"
Joe Biden, Regis Philbin and Kelly Ripa
The V.P. made an important stop at Live With Regis and Kelly to say hi to the iconic duo and a final goodbye to Regis. His office shared a surpisingly candid moment, tweeting, "VP bids farewell to Regis Philbin during a surprise visit to @regis_and_kelly set today"
David Beckham
Posh Spice took a break from the fast paced fashion world to celebrate her husband's success! "Congratulations @LAGalaxy!!!! MLS Champions!!!!! We are so proud!!!! what an amazing night x VB"
Sofia Vergara
New to the Happy Feet family, this Modern Family star flirtily tweeted "I kissed another pinguin and I liked it." And here's the proof, posted via her WhoSay page!
Nicki Minaj & Will, Jada, Willow and Jaden Smith
Harajuku Barbie meets the Fresh Prince of Bel Air! The rapper recently hung out with the Smiths when she dueted with Willow. She gushed, "I'm the newest member of the family! Lmaoooooo. How cute are they barbz???? Willow goin ham in the video."
Mario Lopez
After he powered through the New York Marathon, the actor celebrated with a fist pump and a simple, "I did it!" tweet.
Demi Lovato
After teasing fans about a new hair color and unintentionally trending the topic "DEMI POST A PIC," the singer finally tweeted the big reveal, "Just woke up from a nap.. Can't believe I fell asleep before tweeting this........... ;)"
Neil Patrick Harris
The How I Met Your Mother star's family celebrated Halloween in adorable coordinated style. Breaking character from Captain Hook, the dad tweeted "Here's a pic of the family in costume:"
Heidi Klum
This babe's known for her over-the-top Halloween costumes. And this year was no exception, as she decided to tweet a sneak peek, "Here we go again!"
Jessica Simpson
Awww! The newly pregnant singer showed off her baby bump by posting this pic with the note: "family portrait."
Arnold Schwarzenegger
The ex-governor looks ready for combat with his fellow Last Stand stars, tweeting,"Having a great time on the set here at The Last Stand. We have a fantastic team."
Jessica Alba
"My second night as a witch - better costume this time!" tweeted the bewitching actress as she headed to Michael Meldman's Halloween party with her footballin' hubby.
Jessica Simpson
LOL! Nice to see a star can laugh at herself. The pregnant star joked: "Short girl problems"
Ty Burrell
Jesse Tyler Ferguson tweeted this pic of his Modern Family star on his birthday saying, "Thank you TV Family!!!!!"
Padma Lakshmi
"I'm supporting LGBT youth on #SpiritDay by wearing purple." the Top Chef host shared as part of the national anti-bullying campaign.
Pauly D
Jersey Shore's resident deejay is showing his support for the GTL LGBT community on Oct. 20. "Going To Use My Purple Vinyl's 2Day In Honor Of @glaad #SpiritDay DJing For @perezhilton One Night In NY #GLSEN" he tweeted.