She was Madonna's back-up singer and dancer from her 1987 "Who's That Girl World Tour" to the 2007 Live Earth (2007).
In January 1995, she helped Selena Quintanilla-Perez on her 'Dreaming of You' album as background vocals on the song "Captive Heart" alongside Selena (vocals & background vocals). She was listed in the credits as Donna Delorey.