Guess Who (2005)

Zoe Saldana, Ashton Kutcher, Nicole Sullivan, Niecy Nash

Percy and Marilyn are renewing their vows for their anniversary, and their daughter Theresa brings her boyfriend Simon for them to meet. Unbeknownst to her parents, the kids plan to announce their engagement during the weekend. The Jones family is Black; Theresa neglects to tell them Simon is White.