Phylicia Rashad joins cast of 'Empire'

(FOX News) - Actress Phylicia Rashad will join Fox's mega-hit music drama, "Empire."

The beloved mom from TV's "The Cosby Show" is set to play another matriarch.

Rashad will reportedly have a recurring role as Taye Diggs' mom, the wealthy Diana Dubois next season.

Another famous face will also debut this season, Mariah Carey, who will be playing a singer named Kitty.

The much-anticipated Season 3 premiere of Fox's hit drama "Empire," kicks off September 21.