It's Complicated (2009)

When attending their son's college graduation, a couple reignite the spark in their relationship. But the complicated fact is they're divorced and he's remarried.

Director: Nancy Meyers

Cast: Meryl Streep, Steve Martin, Alec Baldwin, John Krasinski, Lake Bell, Mary Kay Place, Rita Wilson, Alexandra Wentworth, Hunter Parrish, Zoe Kazan, Caitlin FitzGerald, Emjay Anthony, Nora Dunn, Bruce Altman, Robert Curtis Brown, James Patrick Stuart, Peter Mackenzie, Pat Finn