Stars Get In the Holiday Spirit

In a flashback to the family's pre-Parent Trap days, Dina Lohan rests under the Christmas tree with Santa babies Lindsay and Michael Jr. The sentimental mom tweeted, "Looking through old Christmas photos! Linds and Mike are so tiny!! Xx"

Merry Criss-mas! Glee star Darren Criss poses as Mr. December. Ryan Murphy posted this pic with the caption, "Merry Christmas. Men of McKinley calendar coming soon."

Naughty or Nice? Don't Trust the B in Apt. 23 actress Kristyn Ritter visits Disney to celebrate the holiday season.

Zooey Deschanel for example, who tweeted "Happy Chanukah y'all!!!," alongside this adorable photo of her lighting a menorah. 

Glee star Naya Rivera showed off her bikini body in this racy Santa getup. "Hahahaha this is hysterical. Christmas FUN!!!," she tweeted.

Katy Perry was feeling festive performing in Austria, sporting a cute Santa dress.

Jessica Alba recently tweeted this festive photo, posing with a friend next to a giant Christmas tree. "Feeling the #holiday spirit here in TX!," she wrote.

Due to Hurricane Sandy, Heidi Klum combined her annual Halloween party with a holiday party this year. Here she is decked out as Cleopatra -- bedazzled face and all -- helping Santa with presents.

Mariah Carey got into the Christmas spirit in a cleavage-baring red dress performing at the Christmas tree lighting at Rockefeller Center in NYC.

Mariah's husband Nick Cannon also got in on the holiday festivities, posing with an adorable Mickey and Minnie dressed as Mr. and Mrs. Claus at Disney World.

Hart of Dixie star Jaime King shopped for Christmas ornaments at Crate and Barrel's Rebuilding Together charity event.

The Hills star sported a cute holiday sweater at The Grove in Los Angeles.

Jennie Garth attended the eBay Toy Box pop-up store in NYC to benefit Toys for Tots. 

Aisha Tyler got festive in reindeer antlers raising money for charity. "The things I will do to raise money for kids. Who am I kidding? I would do this anyway. #toysfortots," she tweeted.

Jennifer Hudson posted these adorable family shots of her and fiancé David Otunga and their son David Jr. looking for the perfect Christmas tree on her Facebook. 

Modern Family star Jesse Tyler Ferguson tweeted this hilarious shot of him and pal Nigel Lythgoe next to Santa. "Lighting the @ChildrensLA Christmas Tree with Santa & @dizzyfeet. All this time I thought Nigel WAS Santa!," he joked.

Looks like the holidays snuck up on Carly Rae Jepsen. "What's that? December already?! It's beginning to look a lot like Christmas...," she tweeted.