Christina Aguilera hits the party circuit after the UK premiere of the film "Burlesque"

(December 13, 2010 - Source: PacificCoastNews.com) 

Christina Aquilera at the UK film premiere of "Burlesque" held at Empire Lecester Square

(December 13, 2010 - Source: PacificCoastNews.com) 

Christina Aguilera attends the UK premiere of 'Burlesque' at Empire Cinema

(December 12, 2010 - Source: Ian Gavan/Getty Images Europe) 

Christina Aguilera 'Burlesque' premiere held at Callao cinema

(December 10, 2010 - Source: Bauer Griffin)

Christina Aguilera arrives at the premiere of Screen Gems' "Burlesque" at Chinese Theater

(November 14, 2010 - Source: Jason Merritt/Getty Images North America)

Christina Aguilera receives a star on the Hollywood Walk of Fame during a ceremony in Hollywood

(November 15, 2010 - Source: FlynetPictures.com)

Christina Aguilera celebrates as she is honored on The Hollywood Walk Of Fame

(November 14, 2010 - Source: Jason Merritt/Getty Images North America)

Christina Aguilera arrives at the opening Gala and "Unmasking" for the Resnick Pavilion at LACMA

(September 24, 2010 - Source: Kevin Winter/Getty Images North America)

Christina Aguilera attends the global launch of The Montblanc John Lennon Edition writing instrument at Jazz at Lincoln Center

(September 11, 2010 - Source: Stephen Lovekin/Getty Images North America)

Christina Aguilera arrives at the 2010 MTV Movie Awards

(June 5, 2010 - Source: Jason Merritt/Getty Images North America)

Christina Aguilera poses in the press room at the 67th Annual Golden Globe Awards

(January 16, 2010 - Source: Kevin Winter/Getty Images North America) 

Singer Christina Aguilera arrives at the SLS Hotel for dinner in Beverly Hills

(June 2, 2009 - Source: FlynetPictures.com) 

Christina Aguilera Variety's 1st Annual Power of Women Luncheon.Beverly Wilshire Hotel

(September 24, 2009 - Source: Bauer Griffin)