Bride to be.

Amanda Seyfried (ex-Joni) appears in the ensemble comedy “The Big Wedding.” Seyfried plays the fiancée of a man whose divorced adopted parents pretend to be married for the sake of his religious biological mother.

The film also stars Robert De Niro (“Little Fockers”), Susan Sarandon (“The Lovely Bones”), Diane Keaton (“Morning Glory”), Katherine Heigl (“Life As We Know It”), Robin Williams (“Night At The Museum”) and Topher Grace (“Too Big To Fail”). “The Big Wedding” opens in theaters on October 26, 2012. Check out the trailer below.