Baby Sister
Starring Phoebe Cates, Ted Wass, Pamela Bellwood, Efrem Zimbalist Jr., Virginia Kiser, Jill Jacobson, Eb Lottimer, Ed Hooks, Ta-Tanisha, Julie Mannix
It's a drama and romance movie, and has a rating of 5.5 out of 10 from Imdb which is fairly okay for this kind of movie.
Watch it here
Not found streaming from Germany.