Sheryl Lee Ralph is an American actress and singer, best known for her role as Deena Jones in the original Broadway production of Dreamgirls. She has also gained recognition for her work on television, particularly for her role in the sitcom Moesha and more recently in the series Abbott Elementary. In addition to her acting career, Ralph is an advocate for various social issues, including education and health. She has received several awards for her performances, showcasing her talent and dedication to the arts. Ralph continues to inspire many through her work in entertainment and activism.