A festively dressed Marcia Cross indulges in some Christmas shopping on Rodeo Drive in Beverly Hills.

Dita Von Teese looks incredible in an indigo Alexander McQueen dress arriving for her “Striptease” book signing in Hollywood.

Paris Hilton does what she does best, and shops till she drops at Kitson on Robertson Boulevard in Los Angeles.

Jessica Alba is all smiles doing some Christmas shopping with her daughter Honor Warren at the Century City mall in Los Angeles, California.

So cute! Dressed for Chrismas, Honor Warren pokes out her tongue at photographers while Christmas shopping with mom, Jessica Alba.

Audrina Patridge hosts a Christmas party at “The Den” Restaurant on Sunset Blvd in Los Angeles, while filming an episode of ‘The Hills’.

We love how Britney makes her man carry the Victoria’s Secret shopping! Britney Spears is photographed with her boyfriend Jason Trawick arriving at JFK airport in New York City.

Interesting… Andy Dick is seen leaving a Strip Club on La Cienega Blvd in West Hollywood carrying a ‘Twilight’ DVD.

Never one to miss a photo opportunity, Tila Tequila (wearing a 17-carat diamond engagement ring) poses with her new fiance, heiress Casey Johnson.

A grumpy Ryan Phillippe hides his face, leaving Katsuya resaurant in Los Angeles, wearing a cast from a recent treadmill accident.

Gwen Stefani is spotted out and about in London with her little boy Zuma, looking incredibly stylish as always.

David Beckham and his boys arrive at Heathrow Airport off a flight from Los Angeles to spend Christmas in the UK.

Guy Ritchie arrives in the UK from New York, with his two boys Rocco and David Banda, after attending the Sherlock Holmes Premiere.

Leona Lewis flashes a gorgeous smile, photographed at LAX International Airport, clutching her Blackberry for dear life.

Keri Russell is spotted in Brooklyn, heading home after doing some last minute Christmas shopping.

Wearing sundresses and matching sandals, Nicole Kidman visits her sister’s house in North Sydney with her young daughter, Sunday Rose.

Pamela Anderson looks smart in a hat with a veil, leaving the Studio Valbonne club in London at 3am, after appearing as the Genie in ‘Aladdin’ at West London’s New Wimbledon Theatre.

Holly Madison and a friendly parrot make a stop at Findlay Kia in support of her Holly Jolly Christmas Toy Drive to benefit Toys For Tots and The Salvation Army.

Rachel McAdams and a friend go for a wintery walk in the snow in New York’s Soho district.

Jennifer Garner and a friend take Violet Affleck to the Opera at the Walt Disney Concert Hall in Los Angeles.

Kelly Osbourne makes her guy friend carry her Prada bags while she snuggles her little dog, out shopping in Beverly Hills.

Rihanna laughs with her friends as she steps out late Saturday night with her friend, after earlier performing at Rockefeller for NYE with Carson Daly.

Kate Hudson, in a very short dress and Ugg boots, heads to her car after lunch at A Votre Sante restaurant in Brentwood, CA.

Lindsay Lohan parties the night away at Voyeur Night Club in West Hollywood, and then at a private house party in the Mount Olympus Hills in Los Angeles.

‘Jumper’ star Hayden Christensen looked almost like a Christmas tree in this colorful get-up, attending an early Christmas party at girlfriend Rachel Bilson’s mom’s house in North Hollywood.

‘The Hills’ star Whitney Port gets caught mid-manicure at a nail salon in Beverly Hills.

Chloe Sevigny arrives wearing print pants, strappy sandals and a leather jacket, at the premiere of ‘My Son, My Son What Have Ye Done’ at The Downtown Independent in Los Angeles, California.

Justin Bieber, in town to perform at a Radio Disney concert, poses with the Genie from Disney’s animated film ‘Aladdin’, at the Magic Kingdom in Lake Buena Vista, Florida.

Gwen Stefani, Gavin Rossdale and the kids brave the cold, out for a walk together in London’s Regents Park.

Whoopi Goldberg poses with Minnie Mouse while at Epcot to be the featured celebrity narrator in the Candlelight Processional, a Disney Parks holiday tradition which combines a retelling of the Christmas story accompanied by a 50-piece live orchestra and a mass choir.

The morning after the night before! Pamela Anderson hides behind some dark glasses after staying out at the Valbonne club in London until 3am the night before.

MTV’s ‘The Hills’ star Audrina Patridge is spotted spending an evening out on the town in Los Angeles.

Nick Cannon gets all dressed up in his sweats to go Christmas shopping at the Louis Vuitton Boutique in Beverly Hills, California.

Zac Efron is pictured at Warner Park watching the Snow Polo Championship in Aspen, Colorado.

Sarah Jessica Parker and husband Matthew Broderick are photographed on their way to see a movie at the Lucille Lortel Theater in New York’s West Village.

Catherine Zeta Jones takes her dog Figaro for a walk after a snow storm in New York City.

Hugh Jackman pictured taking his son Oscar, and Cate Blanchette’s sons Dashiell John, Roman Robert and Ignatius Martin to play with the snow at the Park downtown Manhattan.

It’s a snow play date! Kate Blanchett arrives with her sons at Hugh Jackman’s New York apartment for some fun in the snow.