Mermaids (1990)
Mermaids is a 1990 American comedy-drama film directed by Richard Benjamin and starring Cher, Bob Hoskins, Winona Ryder (who was nominated for a Golden Globe Award for best supporting actress for her role), and Christina Ricci in her first film role. The film is based on the 1986 novel of the same title written by Patty Dann.
More at Wikipedia.