Beyoncé turned 42 in style with a surprise serenade from Diana Ross on Monday ... World Tour in Los Angeles on Monday to sing "Happy Birthday." Stepping out in a sparkling black and feather ...

Ashlee Simpson and her husband Evan Ross celebrated their son Ziggy's fourth birthday with the help of his iconic grandmother ...

Diana Ross is one of the ageless octogenarians -- including Paul McCartney, Paul Simon and Mick Jagger -- who is still going strong.