She was Madonna s back-up singer and dancer from her 1987 "Whos That Girl World Tour" to the 2007 Live Earth .
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.
