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.

Danielle Spencer, who played Dee Thomas on the popular 1970s ABC sitcom What's Happening!!, has died. Spencer passed away Monday at the age of 60 after a lengthy battle with cancer. Her death was announced on social media by her What's Happening!

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