Beyoncé serenaded Diana Ross at her star-studded 75th birthday party

Diana Ross is such a legend!!!!!!!

Beyonce sangin Happy Birthday to Ms. Diana Ross! Look how excited she is! 🎂😍

(📹 via BeyLegion) pic.twitter.com/LOeYQj7fOd

— UPROXX (@UPROXX) March 27, 2019