WATCH: Star of ’70s sitcom ‘What’s Happening!!’, Danielle Spencer, dies at 60

Actress Danielle Spencer, best known for her role as Dee Thomas on the 1970s sitcom “What’s Happening!!,” has died after a long battle with cancer.

​Actress Danielle Spencer, best known for her role as Dee Thomas on the 1970s sitcom “What’s Happening!!,” has died after a long battle with cancer.   Actress Danielle Spencer, best known for her role as Dee Thomas on the 1970s sitcom “What’s Happening!!,” has died after a long battle with cancer.