AllMovie

When their adopted son Alejandro (Ben Barnes) announces his upcoming wedding to Missy (Amanda Seyfried), happily divorced parents Don (Robert De Niro) and Ellie (Diane Keaton) 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. Robin Williams, Susan Sarandon, Katherine Heigl, and Topher Grace co-star.