The Family Stone (2005)

Cast: Dermot Mulroney, Sarah Jessica Parker, Diane Keaton, Luke Wilson, Claire Danes, Rachel McAdams, Craig T. Nelson, Tyrone Giordano, Brian J. White, Elizabeth Reaser

An uptight, conservative businesswoman accompanies her boyfriend to his eccentric and outgoing family's annual Christmas celebration and finds that she's a fish out of water in their free-spirited way…