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.

Spencer became a veterinarian after retiring from acting in the late 1980s and later wrote a well-regarded memoir about her experiences