Singing alongside her sisters Kathy, she was a vocalist for the group Sister Sledge. The group is best known for their critically and commercially successful album We Are Family.
She and her sisters were trained as vocalists by their grandmother and former lyric soprano opera singer Viola Williams.
She became an ordained minister.
She is the daughter of Edwin, a tap dancer, and Florez, an actress. She married Mark Allen with whom she had 3 children.
She and her sisters performed for Pope Francis at a Save the Children charity benefit in London in 2015.