It Takes Two is a 1995 film starring Kirstie Alley, Steve Guttenberg and Mary-Kate and Ashley Olsen. The movie title was taken from the song "It Takes Two", song by Marvin Gaye and Kim Weston. The song was featured in the end credits. Two unrelated young girls who happen to look identical suddenly meet. Amanda Lemmon (Mary-Kate Olsen) is an orphan, and she is about to be adopted by a family whom she doesn't like, the Butkises. She actually wants her child-loving case worker Diane Barrows (Kirstie Alley) to adopt her instead. Diane would like to do the same thing, but authorities will not let her because of her low salary. Alyssa Callaway (Ashley Olsen) is coming home from her boarding school's piano recital competition, only to find that her wealthy father Roger (Steve Guttenberg) is about to marry Clarice Kensington (Jane Sibbett) a socialite who (secretly) hates kids and baseball (which Roger adores).