THE WEEK IN PHOTOS: Stars Get In The Holiday Spirit

By RadarOnline.com Staff

Christina Aguilera shows off a curvier figure during her performance at the American Music Awards.

David Beckham is cheered on by his family at the MLS cup final.

Heidi Klum unveils her Wildlife jewelry line at the Four Seasons Hotel in Beverly Hills.

Lady Gaga cuts the ribbon to the Gaga Workshop at Barney's New York.

Gaga’s old NYC apartment is up for rent at $1,850 per month.

Pippa Middleton attends Tiffany & Co. presents Skate at Somerset House in her native London.

Salma Hayek stumbles and falls while leaving the George V Hotel in Paris.

Lindsay Ellingson, Chanel Iman, Alessandra Ambrosio and Adriana Lima attend the Victoria's Secret Angels holiday event in New York City.

Justin Bieber takes girlfriend Selena Gomez for breakfast at IHOP in Los Angeles, the day after the American Music Awards.

Jessica Simpson attends her nephew Bronx’s birthday party in Los Angeles ...

... before leaving town via LAX with her boyfriend, Eric Johnson.