Stars Celebrate the Holidays

Nick Cannon and Mariah Carey

Nick Cannon

and Mariah Carey celebrated their first holiday season as man and wife with a ski vacation in tony Aspen, Colorado. After hanging out on the slopes, the couple headed to St. Barts to ring in the new year.

Goldie Hawn and Kate Hudson

Also in Aspen, Goldie Hawn and In Style cover girl Kate Hudson hit the streets for some post-holiday shopping with a group of girlfriends.

Nicole Richie and Joel Madden

Taking a break from the chilly temperatures in Los Angeles, Nicole Richie and Joel Madden hit the surf in sunny Hawaii.

Katie Holmes, Suri and Tom Cruise

In New York for holiday performances of the Broadway play All My Sons, Katie Holmes kept daughter Suri and husband Tom Cruise close by.

Heidi Klum

During a visit to the Today show in New York City, Heidi Klum collected holiday gifts from the crowd for the morning program's 15th Annual Holiday Toy and Gift Drive.

-With reporting by Bronwyn Barnes, Elizabeth Carmona and Nakisha Williams

Lo Bosworth and Lauren Conrad

The Hills

stars Lo Bosworth and Lauren Conrad cozied up the Chris Cringle when they stopped by the Pepsi Holiday House in Los Angeles. The festive lounge is raising funds for Clothes Off Our Back and Feeding America.

Hilary Swank

Hilary Swank

got a prime spot on Santa's lap when she and boyfriend John Campisi attended the Milkshop.com Winter Wonderland to benefit P.S. Arts in Los Angeles. After taking advantage of fun-filled holiday activites like face painting and cookie decorating, guests left with a bag of goodies including items from Lacoste, Hunter boots and C&C jeans.

Jessica Szohr

Gossip Girl

Jessica Szohr

was in shoe heaven when she led a holiday drive to donate footwear on behalf of Piperlime to benefit the Soles4Souls charity.

Jessica Simpson

Jessica Simpson

and her faithful companion, Maltese Daisy, snuggled on the red carpet at the launch of Simpson's new Fancy fragrance at Macy's Chicago.

George Clooney

George Clooney

made sure he was on Santa's "Nice" list when he ran into Mr. Claus at the "A Heart for Children" charity gala in Berlin, Germany.

Nicole Richie

Nicole Richie

provided some razzle dazzle when she and boyfriend Joel Madden-a UNICEF Goodwill Ambassador-hosted the organization's annual Snowflake Lighting ceremony on L.A.'s posh Rodeo Drive.

The Jonas Brothers

In November, the Jonas Brothers got a jump on the holiday season when they taped a performance for the Walt Disney World Christmas Day Parade. During their visit to the Magic Kingdom in Anaheim, the boys got to meet another band of famous brothers-Huey, Dewey and Louie Duck.

Kelly Ripa

Kelly Ripa

joined the famed Cartier Santa to flip the switch on the lights at Cartier's 5th Ave mansion during the jewelry house's 29th annual holiday bow celebration in New York City. "Mark and I are blessed to have three healthy children, but not every family is so lucky," said Ripa, who also unveiled Cartier's holiday card collection, which will raise money for kids' charity The Art of Elysium.

Britney Spears

"Christmas is my favorite time and the great tradition of lighting the tree in Rockefeller Center means so much to me," said Britney Spears, who taped an appearance for the annual Rockefeller Center Christmas Tree lighting special in New York City. "I wish all of you and all our troops happy holidays and Happy New Year."

Jessica Biel

Jessica Biel

teamed up with Santa Claus to bring a little Christmas cheer to the Make the Difference Network holiday party for kids at the Childrens Hospital in Los Angeles.

Kristen Chenoweth

"I like looking around and seeing people with their families, especially little kids and the excitement in their eyes," said Kristen Chenoweth at the Rockefeller Center Christmas tree lighting celebration in New York City.

Scarlett Johanssen and Eva Mendes

Scarlett Johanssen

and Eva Mendes posed together at a holiday-themed photo call for their upcoming action flick, The Spirit, held at the Mandarin Oriental Hotel in London.

Lucy Liu and Tea Leoni

Tea Leoni

was among the crowd who helped honor UNICEF Goodwill Ambassador Lucy Liu at the organization's annual Snowflake Ball, held at Cipriani restuarant in New York City.

Miley Cyrus

Miley Cyrus

helped daddy Pete Wentz (not pictured) celebrate the holidays MTV-style when she attended the taping of FNMTV Premieres: Happy FN Holidays at Boardner's bookstore in Hollywood.

Lindsay Lohan

While Samantha Ronson provided the music for the MySpace holiday party, held at New York City's Tenjune nightclub, Lindsay Lohan spread some Christmas cheer from her VIP perch.

John Stamos

ER

star John Stamos looked dapper as he stepped up to the podium to narrate the annual candlelight processional at Disneyland in Anaheim, California. The tradition-started by Walt Disney in 1958-features the telling of the Christmas story accompanied by more than 1,000 singers from local choirs and a full orchestra.