1 of 27
Former Girls Next Door star Holly Madison cozies up to the big man himself during the Holly Jolly Christmas Toy Drive at Grimaldi’s Pizzeria on Dec. 20 in Las Vegas.
2 of 27
NEXT STOP: THE NORTH POLE
Mark Wahlberg shows son Michael, 3, a good time during a visit to Santa’s Cottage at The Grove in West Hollywood on Dec. 21. The actor, who will welcome his fourth child, a girl, next year, also brought wife Rhea Durham and kids Ella, 6, and Brendan, 15 months, to snap a picture with Santa Claus.
3 of 27
Incoming! takes advantage of the fresh New York City snowfall Sunday and engages in a friendly snowball fight with son Oscar, 9, in downtown Manhattan.
4 of 27
Days after shopping together in East London, and comedian boyfriend Russell Brand raise the adventure level a bit, hitting London’s Hampstead Heath for a sled ride Dec. 23.
5 of 27
SIGN OF THE TIMES
Fifteen-year-old pop star Justin Bieber shows off his holiday spirit Dec. 22, signing autographs for fans after performing on Live@Much in Toronto.
6 of 27
While in New York to promote his new fragrance, VIP, on Dec. 17, made a pit stop at Macy’s Herald Square – where he met the big man himself at the store’s famed Santa Land.
7 of 27
Looks like the wooden soldiers have some new recruits! and Khloe Kardashian pose with a real-life toy soldier outside famed Manhattan store FAO Schwarz on Dec. 10.
8 of 27
ALL WRAPPED UP
and and hubby Dean McDermott get in the giving spirit Dec. 16, wrapping toys for charity at the 2Family.org Wrap it Up event at the W Hotel in Westwood, Calif.
9 of 27
‘Tis the season! – who was voted Best Beach Bump winner by PEOPLE.com readers – tackles her holiday shopping Dec. 16 with a trip to The Grove in Los Angeles.
10 of 27
Look at that balance! The View’s shows off her smooth moves at Old Navy’s Holiday Skating Celebration in New York’s Bryant Park Dec. 10. The ice skating event benefitted New York Cares.
11 of 27
gets in the holiday spirit at the Eden Roc Resort in Miami Beach on Dec.16. The singer, who was in town with her boyfriend, Steph Jones, and her mom, Jodi, celebrated her 20th birthday on Dec. 22.
12 of 27
Dancing with the Stars judge Carrie Ann Inaba lends a hand for a good cause, pitching in to pack food Dec. 16 at the Los Angeles Regional Food Bank during AARP’s Create the Good and EIF’s iParticipate volunteer event.
13 of 27
Top Chef host and expectant mommy Padma Lakshmi gets in the holiday spirit, picking out a Christmas tree (with the help of Santa!) in New York City on Dec.16.
14 of 27
Now that’s a holiday portrait! President Barack Obama and pose with four adorable elves Dec. 13 at the Christmas in Washington Celebration at the National Building Museum in D.C.
15 of 27
Looks like someone’s in the giving spirit! tackles her Christmas shopping list Dec. 10 at her cousin Tara Riceberg’s holiday pop-up store, Tweak99, in Los Angeles.
16 of 27
Donning a festive dress – and a sparkly guitar to match – gets the crowd into the spirit of the season at KIIS-FM’s Jingle Ball on Dec. 5 in Los Angeles.
17 of 27
JOLLY GOOD TIME
Ho ho ho! Hands-on dad Gilles Marini gets into the Christmas spirit with his kids Georges, 10, and Julianna, 3, during a visit with Papa Noel himself at the Hollywood Christmas Parade on Nov. 29.
18 of 27
Glee’s Mark Salling, Amber Riley and Cory Monteith get in tune to help raise money for Toys for Tots at Marshalls and T.J. Maxx’s “Carol-Oke” contest event on Dec. 3 at New York’s Bryant Park.
19 of 27
Jenny McCarthy and Dean McDermott – who costar in the ABC Family movie Santa Baby 2: Christmas Maybe – join forces with 607 elves for ABC Family’s World Record Elf Party on Dec. 7 at New York’s Bryant Park.
20 of 27
90210’s resident vixen AnnaLynne McCord stocks up on some holiday goodies Dec. 1 during a stop at a Godiva Chocolatier store in Century City, Calif.
21 of 27
You’re never too old to believe in Santa – just ask ! The heiress makes a playful statement with her T-shirt while shopping for a Christmas tree with boyfriend Doug Reinhardt (not pictured) in Beverly Hills on Dec. 6.
22 of 27
NAUGHTY OR NICE?
A sparkly looks to get on Kris Kringle’s good side in Los Angeles on Dec. 3 during L.A. Live’s tree-lighting ceremony.
23 of 27
Fire … and ice cream! Maksim Chmerkovskiy and fellow Dancing with the Stars pro Kym Johnson unveil a themed ice cream sundae at New York’s Serendipity 3 on Dec. 3 to mark their stint in Broadway’s Burn the Floor.
24 of 27
Decisions, decisions! ponders her choice of holiday decorations while Christmas tree shopping with husband Jordan Bratman and son Max (not pictured) in Beverly Hills on Dec. 6.
25 of 27
OH, CHRISTMAS TREE!
kicks off the holiday shopping season on Nov. 21 with a performance at a Christmas tree-lighting ceremony at the Citadel Outlets in the City of Commerce, near Los Angeles.
26 of 27
TAKE THE REINS
Hat’s off to for breaking with tradition! The risk-taking star gives a nod to the holidays by topping her sheer plastic dress with an antler hat while arriving at her London hotel on Dec. 7.
27 of 27
Dressed as Old St. Nick, kicks off the holiday season Nov. 28 with a lively performance at Ischgl, Austria’s famed Top of the Mountain Opening Concert.