Sienna Miller has been added to the cast of « Valentine’s Day » sequel « New Year’s Eve, » reports Variety. The « Factory Girl » star will join Jessica Biel, Abigail Breslin, Robert De Niro, Lea Michele, Ashton Kutcher, Sarah Jessica Parker, Michelle Pfeiffer, Til Schweiger and Hilary Swank in director Garry Marshall’s romantic comedy.
Zac Efron and Halle Berry have also recently been rumoured for the ensemble movie.
« New Year’s Eve » will tell a series of interconnected stories across the city of New York over one evening. New Line will release the movie on December 9, 2011. [Source]