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.

On TV's "What's Happening!!" Danielle Spencer turned herself into a household name at just 11 years old, playing sassy and quick-witted Dee Thomas.

Danielle Spencer, the actress who played the lovably bratty and witty teenager on the 1970s hit sitcom “What’s Happening!!” and its spinoff, “What’s Happening Now!!,” before spending much of her adult life as a veterinarian, died on Monday at Chippenham Hospital in Richmond, Va. She was 60.