When their adopted son Alejandro announces his upcoming wedding to Missy, happily divorced parents Don and Ellie masquerade as if they were still married in order to stay on the good side Alejandro’s ultra-conservative biological mother, and ensure that the wedding goes off without a hitch. Director: Justin Zackham. Cast: Robert De Niro, Diane Keaton, Susan Sarandon, Katherine Heigl, Amanda Seyfried. Rated: R. Time: 1:30.