Dr Danielle Spencer, known for playing the role of Dee Thomas has died after battling with cancer. Danuelle was a child star who played Dee Thomas on the 70's show What's Happening. She was known for blackmailing her brother to keep from telling on him. After years of doing the show, Danielle later went to college and graduated becoming a veternarian. Danielle Spencer gone too soon but will always be Dee Thomas. RIP DANIELL SPENCER.