She starred on the 1970s sitcom as Dee, the younger sister offering a steady stream of deadpan roasts of her big brother Roger “Raj” Thomas and his friends.

Danielle Spencer, a child star best known for her role on the ABC sitcom "What's Happening!!" in the 1970s, has reportedly died. She was 60. Spencer died Aug. 11, according to CBS 6 and Forbes.

A family spokesperson said Spencer died Monday after battling cancer for several years. As Dee, she was a deadpan, wisecracking sister on What's Happening!! Spencer later became a veterinarian.