Sheila Diana Ferguson is an American singer, songwriter, actress, and author, who has worked primarily in the United Kingdom. Between 1966 and 1986, she was a member of the American female soul music group The Three Degrees, singing lead vocals on most of the group's biggest hits, most notably "When Will I See You Again", which had international success, topping the UK Singles Chart and peaking at #2 in the US.
Following her departure from The Three Degrees in 1986, Ferguson went on to have her own solo singing career, touring internationally, making multiple TV appearances, and releasing a solo album titled A New Kind of Medicine. She has forged a prolific stage and screen career in the UK, starring in numerous musicals, soul legend tours, and her own sitcom Land of Hope and Gloria. She is also the best-selling author of Soul Food: Classic Cuisine from the Deep South.