Beyoncé brought Diana Ross to tears on the diva's 75th birthday.
We hear Ross host a birthday to LA, including "Lemonade" singer Khloé and Kourtney Kardashian, Tom Ford and Leo DiCaprio.
Beyoncé song & # 39; Happy Birthday & # 39; & # 39 ;, said a spy. "Diana was in tears."
Ross then led the Hollywood Palladium to a star art concert where fans and friends included Gabrielle Union, Heidi Klum, DJ Khaled and Bette Midler.
Diddy, Robin Thicke and Stevie Wonder.
Ross arrived in a Rolls-Royce convertible for a Michael Jackson song and had no less than five outfit changes during the show.
The night ended with DJ Cassidy spinning an impromptu after party at Warwick.