Beyonce serenades Diana Ross and guests at the legendary singer's 75th birthday celebration 

Diana Ross turned 75 on the 26th of March and A-list celebrities were present to celebrate with her.
The Kardashians were present, Diddy and his three daughters were present, and the girls all did a presentation dressed in the same outfit.

Beyonce was also present and she serenaded the legendary singer with her beautiful voice as she sang her "happy birthday".