Her movie Sparkle
does not open until Aug. 17, but this week brought the debut of Whitney Houston
's final song, "Celebrate," a duet from the movie with her costar, Jordin Sparks
unveiled the pulsating number on his radio show
Monday. "Celebrate," which was produced by R. Kelly, will be available on iTunes June 5.
A remake of a 1976 movie that originally starred Lonette McKee and Irene Cara, this new Sparkle
, which finished filming last Thanksgiving, also stars Derek Luke, Mike Epps and Cee Lo Green, and chronicles the challenges faced by a group of singing sisters once they hit it big. Houston plays Sparks's mother.
"She was so cool and very motherly toward me," the former American Idol
winner, 22, told PEOPLE in January, a month before Houston died
. She was 48.
"If I ever looked like I needed something," said Sparks, "here she came saying 'Are you okay?' "