Della began singing in her hometown of Detroit when she was 6 years old. As a teenager, she toured with gospel great Mahalia Jackson and, at the age of 18, she formed the Meditation Singers and became the first performer to take gospel music to the casinos of Las Vegas. She was a vocalist with the Erskine Hawkins Orchestra and began making her own records. She was nominated for a grammy award as Best Female Soloist in Gospel music in 1987. She lives in Los Angeles with her husband, producer Franklin Lett.
Her children: Deloreese, James, Franklin, and Dominique. She is also an ordained minister. She was the minister at the wedding of her Touched by an Angel co-star, Roma Downey. She is the godmother of Roma Downey's daughter, Reilly Marie. Della is Rt.Reverend of the Church "Understanding Principals for a Better Living" in Los Angeles, CA