Burlesque [2010]

Burlesque is an American contemporary musical film starring Christina Aguilera and Cher. A small-town girl (Aguilera) ventures to Los Angeles and finds her place in a neo-burlesque club run by a former dancer. Both Cher and Christina Aguilera would contribute to the Soundtrack album with Christina contributing to eight out of the 10 songs with Cher taking the remaining two. 
Release date: November 17, 2010

You Again [2010]

You Again is a comedy film starring Kristen Bell, Jamie Lee Curtis, Sigourney Weaver, Odette Yustman, and Betty White. The film follows a young woman, Marni (Bell) who discovers her brother is about to marry her High School rival, Joanna (Yustman). Marni sets out to expose Joanna's true colors. The plot thickens when Marni's mother Gail (Curtis) meets up with Joanna's aunt Ramona (Weaver), and it is revealed that Gail and Ramona were also high school rivals.
Release date: September 24, 2010