Danielle Spencer, who played the precocious youngster Dee Thomas on the 1970s ABC sitcom What's Happening!!, has passed away at the age of 60.

As per The Hollywood Reporter, Spencer died on Monday in a hospital in Richmond, Virginia. The news of her demise was confirmed by Spencer's What's Happening!! co-star Haywood Nelson.

She was diagnosed with breast cancer and underwent a double mastectomy in 2014 and in 2018 underwent emergency surgery to relieve bleeding on her brain. A GoFundMe page was set up to help her pay for her medical expenses.