The superstars will join Oprah Winfrey, Mary Mary, Kim Burrell and more during the empowerment weekend.
Brandy, Steve Harvey and Jennifer Hudson are the latest round of stars to be added to Bishop T.D. Jakes' 2013 MegaFest lineup.
They join previously announced participants including Oprah Winfrey, Cedric the Entertainer, Mary Mary, Kenneth "Babyface" Edmonds, Niecy Nash, Holly Robinson Peete, Tisha Campbell Martin, Ray Chew and Kim Burrell.
The three-day family festival hosted by Bishop Jakes will feature a number of celebrity appearances from across film, television, sports and more this Labor Day weekend. There'll also be a taping Oprah's Life Class, the inaugural International Faith & Family Film Festival, the "Just Churchin" Comedy Show, Woman of Purpose Concert and the Ball Up Streetball Classic Tour Championship.
The festivities begin on Thursday, August 29 and will run through Saturday, August 31.