Tracee Ellis Ross gets starstruck by mom Diana Ross on stage at the Hollywood Bowl, joining her for a duet of 'Endless Love.' ...

The mom and daughter duo are iconic individually, but that didn't stop Tracee from getting a little shy around her superstar ...

ONE Musicfest to feature headliners Future, Dungeon Family Reunion Honoring Rico Wade, The Roots with Mary J. Blige, Ludacris and Doechii.