Seeing Santa! Lighting Trees! Stars Who Are Feeling the Christmas Spirit
Paris Hilton and Jenny McCarthy twin in Santa hats and black sunnies while chatting about Hilton's new Netflix documentary The American Meme on The Jenny McCarthy Show at SiriusXM studios in N.Y.C.
Reindeer games? Kelly Ripa and Rita Ora get wrapped in construction paper by Live with Kelly and Ryan audience members in N.Y.C. as part of “Live’s Merry Money Games.”
Mark Ronson, Mikey Cyrus and host Jimmy Fallon sip some eggnog after Miley sings a feminist version of “Santa Baby” on The Tonight Show in N.Y.C.
Mean Girls star Jonathan Bennett tests treats with host Debbie Matenopoulos on the set of Home & Family in Universal City, California.
Luann de Lesseps gets into the holiday spirit during her Holiday Cabaret Show at Gramercy Theater in N.Y.C.
Ho ho O-bama! The former president gives back during a surprise visit to hospitalized children and their parents at Children’s National Medical Center in Washington, D.C.
Marlo Thomas and Matthew Morrison are on their best behavior for the Brooks Brothers and St. Jude Children's Research Hospital Annual Holiday Celebration in New York City.
Stephen Colbert gives Barry Jenkins a present during a taping of The Late Show in N.Y.C.
T.I. spreads some holiday cheer in Atlanta, popping into various charity organizations with presents on behalf of his Harris Community Works foundation.
Sarah Michelle Gellar re-creates an adorable throwback pic at Santa's Cottage at Palisades Village in L.A.
Tia Mowry-Hardrict decorates a flawless gingerbread house on Home & Family while promoting her new Hallmark Christmas movie A Gingerbread Romance.
The cast of Crazy Ex Girlfriend — Rachel Bloom, Gabrielle Ruiz, Donna Lynne Champlin, Kathryn Burns, Burl Moseley and Danny Jolles — gets in the seasonal spirit with a visit to Knotts Berry Farm in Buena Park, California.
Jerry O'Connell goes undercover as the big guy himself for a WeHoliday event benefitting the Los Angeles Fire Department Foundation.
Huma Abedin and Lauren Bush Lauren, joined by Sheree Hovsepian and Shari Loeffler, co-host an event in N.Y.C. for Maisonette's Minis Move Mountains campaign.
He's all wrapped up and ready to go! Alan Cumming dresses the part for Susanne Bartsch and David Barton's Toy Drive at TMPL West Village in N.Y.C.
Ashlee Simpson and Evan Ross step out for Disney on Ice's Dare to Dream Celebrity Skating Party in L.A. with daughter Jagger, who's dressed for the occasion as Frozen's Anna.
Kendra Wilkinson and kids Hank Baskett Jr. and Alijah Mary Baskett are also ready to hit the ice at the event.
Also lacing up their skates: Haylie Duff, Matt Rosenberg and their eldest daughter Ryan.
Mean Girls star Jonathan Bennett, joined by Hallmark's Happy the Dog, helps a new friend have a jingle bell rockin' Christmas at Ronald McDonald House L.A.
Lea Michele spreads holiday glee singing carols at an Old Navy and Lyft event in N.Y.C.'s Bryant Park.
In N.Y.C., Whoopi Goldberg presents Late Show host Stephen Colbert with a cheeky holiday sweater from her collection.
Brooke Burke-Charvet sports a festive and fabulous Kris Jenner ugly Christmas sweater while out in Malibu.
Sarah Michelle Gellar and Jordana Brewster enjoy some sweet treats at a holiday cookie party for the Alliance of Moms Raising Foodies program in L.A.
Martha Stewart shares her Christmas cookie expertise with Today's Craig Melvin and Hoda Kotb in N.Y.C.
It's a ruff life for Olivia Munn as she and and new furry friend Santa Paws kick off Wag! For Good's deliveries of care boxes to shelters across the country, starting in L.A.
Michelle Obama lifts the spirits of patients at Children's Hospital Colorado with a Christmas book reading.
Gary Sinise meets Santa and his helpers at the Gary Sinise Foundation's Snowball Express Send-Off Celebration at LAX Airport.
The Queen of Christmas looks like the Sugarplum Fairy herself, and enlists her 7-year-old twins Monroe and Moroccan for her All I Want for Christmas tour stop in England.
Elizabeth Olsen stands tall between toy soldiers at the Brooks Brothers and St. Jude Children's Research Hospital Annual Holiday Celebration at the Beverly Wilshire Four Seasons Hotel.
Also there: St. Jude's Fisher Pence, with Elizabeth Chambers, Armie Hammer and their son Ford.
Dancing with the Stars pro Sharna Burgess also gets in on the festive fun.
Jimmy Fallon and Saoirse Ronan don their finest festive scarves to sing "Fairytale of New York" on The Tonight Show in N.Y.C.
Maria Menounos, in her ugly Christmas sweatshirt, imbibes at the Westside German Shepherd Dog Rescue Holiday Fundraiser in L.A.
Jennifer Aniston happily helps Ellen DeGeneres with her 12 Days of Giveaways on The Ellen DeGeneres Show in L.A.
A smiling Jodie Whittaker attends a children's Christmas party at 11 Downing Street in London.
Zachary Levi and Jake Johnson are all ... antlers during a taping of The Late Late Show with James Corden in L.A.
Gwen Stefani is at the red-y during a taping of The Ellen DeGeneres Show in L.A.