The veteran stars are back together for a new family comedy.

STEVE MARTIN and DIANE KEATON will reunite on the big screen for the Paramount Pictures family comedy 'One Big Happy,' according to Daily Variety.

The story of a couple and a family attempting to reconnect despite various obstacles, the film from "Party of Five" creators CHRIS KEYSER and AMY LIPPMAN will be the first pairing of Martin and Keaton since the 'Father of the Bride' movies.