Danielle Spencer, best known for playing Dee Thomas on the 1970s sitcom "What's Happening!!," passed away Monday at age 60 after a prolonged battle with cancer. Spencer, who had a successful career as a veterinarian after the show, was involved in a serious car accident early in her career, leading to long-term health issues. Her memorable portrayal of Dee, the witty younger sister, contributed to the show's lasting legacy. Tributes poured in from co-stars and fans celebrating her life and career.

Prepared by Emily Rhodes and reviewed by editorial team.