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.

Former child star Danielle Spencer, who brought sass as little sis Dee in the 1970s sitcom 'What's Happening!!,' died Monday after battling cancer. She was 60.

Child star Danielle Spencer, who portrayed Dee Thomas on the 1970s comedy TV series “What’s Happening!!,” has died at 60, according to former co-star and friend Haywood Nelson.