Megan Hilty
Babies first holiday! "1 day till Christmas!" the Smash alumna tweeted. "#AGallagherChristmasStory #ItsAMajorAward #fraGEElay #ItMustBeItalian #ItCouldBeABowlingAlley"
Dwyane "The Rock" Johnson
This picture just never gets old! "Very funny.. and f*cked up. #GotMeOutHere #LookinLikeTwoBuffLesbians #WhoJustExfoliated #MistleToesAndFannyPacks," the actor wrote.
President Barack Obama
"Say hello to friends you know and everyone you meet," the President shared when celebrating at the White House.
Ciara
"We're So Ready!!" the new mom shared days before Christmas.
Kathy Griffin
"Instead of a big red ball, shouldn't Larry the dog's mouth have a box of wine in it?" the Fashion Police panelist asked. "#christmas @TipItMaggieG"
Heidi Klum
Guess what the America's Got Talent judge talked about? "Santa....I have been naughty !! Heidi....Me too !!"
Kaley Cuoco-Sweeting
"FINALLY got to wear one of my favorite 'bad' Christmas sweaters," the Big Bang Theory star shared on Instagram while posing with her husband. "Happy Holidays!!!!!"
Mindy Kaling
"No one I'd rather enact memes with than this cutie," the Mindy Project star captioned. "Love my little @marissaaross, made the best holiday dinner with equally cute @benjaminblascoe"
Oprah Winfrey
"Look what @jimmyfallon gave me... Christmas sweaters for my doggies," she wrote on Instagram after her Tonight Show visit. "Best gift ever! #FallonTonight"
Andy Cohen
Who says you can't celebrate Christmas and hanukkah?
Paris Hilton
"Hanging out with Santa at Winter Wonderland," the fashion designer wrote online.
Alessandra Ambrosio
"christmas shopping at the cutest store in #Lalaland @wildfoxcouture," the supermodel revealed to fans. "Thanks @jimmysommers �� #thinkPink #thattimeoftheyear #holiday"
Ellen DeGeneres
When not giving out fantastic Christmas presents to her audience during 12 Days of Giveaways, the talk show host plays with her new IGT slot machines.
Ashley Greene
"Me and @paulkhoury getting festive @brooksbrothers @stjude #brooksholiday," the actress wrote while posing with Santa Claus.
Katy Perry
Has the "Roar" singer been naughty or nice this year? You have to ask Santa Claus!
Ramona Singer
The Real Housewives of New York City star takes a break from filming a new season to savor the Rockefeller tree.
Padma Lakshmi
"It's beginning to look a lot like Christmas..." the Top Chef host captioned on Instagram.
Carly Rae Jepsen
"Home for the holidays :)" the Broadway star shared with her followers.
Erin Andrews
"Bad News: Accidentally ran over @ErinAndrews' parking cone at DWTS," Tom Bergeron tweeted. "Good News: Gave me an idea for her Xmas gift!"
Joe Jonas
"Merry Christmas Ya Filthy Animal," the former Jonas Brothers member wrote.
Tom Bergeron
"Selfie with Santa at LAX," the Dancing With the Stars host wrote on Twitter. "Didn't think he flew commercial."
Ian Harding
The Pretty Little Liars star gets into the holiday spirit while visiting a few precious dogs at DogVacay in Santa Monica, Calif.
Nicole Richie
Ho ho ho! Richie hugs Santa tight during a Baby2Baby event in L.A.
Sarah Michelle Gellar & Freddie Prinze Jr.
".@RealFPJr It's beginning to look a lot like #Christmas," the actress wrote.