Jennifer Lopez's first serious screen role in Gregory Nava's 1995 Latino melodrama My Family followed years of training in television movies and series. Like Rosie Perez, Lopez began her career as a Fly Girl -- a dancer on the sketch comedy series, In Living Color -- and appeared in music videos by Puff Daddy and Janet Jackson. Her big break came in 1997 when she appeared in the title role of Nava's Selena, the story of the successful Tejano singer who was tragically murdered in 1995...