Lionsgate has released a new trailer for director Justin Zackham’s ensemble romantic comedy The Big Wedding.  The film centers on a divorced couple (Robert De Niro and Diane Keaton) who are forced to pretend like they’re still married when their adopted son’s (Ben Barnes) deeply religious biological mother comes to town for his wedding.  Though the cast boasts some actual talent, the way the movie is framed in this recent trailer almost plays like a parody, complete with cheesy voiceover, zany physical comedy, and The Romantics’ “What I Like About You.”  The pic was previously scheduled for release last October before Lionsgate decided to push it to this spring.

Hit the jump to take a look at the new trailer.  The film also stars Katherine Heigl, Amanda Seyfried, Susan Sarandon, Topher Grace, and Robin WilliamsThe Big Wedding opens on October 26th.

Here’s the official synopsis for The Big Wedding:

With an all-star cast led by Robert De Niro, Katherine Heigl, Diane Keaton, Amanda Seyfried, Topher Grace, with Susan Sarandon and Robin Williams, THE BIG WEDDING is an uproarious romantic comedy about a charmingly modern family trying to survive a weekend wedding celebration that has the potential to become a full blown family fiasco.  To the amusement of their adult children and friends, long divorced couple Don and Ellie Griffin (De Niro and Keaton) are once again forced to play the happy couple for the sake of their adopted son’s wedding after his ultra conservative biological mother unexpectedly decides to fly halfway across the world to attend. With all of the wedding guests looking on, the Griffins are hilariously forced to confront their past, present and future – and hopefully avoid killing each other in the process. Screenplay by Justin Zackham. Directed by Justin Zackham.

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