Alexandra Burke died in 1988.
Alexandra Imelda Cecelia Ewen Burke ( born 25 August 1988 ) is a British singer-songwriter and voice actor . In 2009 , Burke released her debut album , Overcome , which debuted at number one on the UK Albums Chart and spawned four number-one singles on the UK Singles Chart and the Irish Singles Chart -- `` Hallelujah '' , `` Bad Boys '' , `` All Night Long '' and `` Start Without You '' -- and the album became one of the most successful albums of that year in the UK . In June 2014 , Burke replaced Beverley Knight in the lead role of Rachel Marron in the West End musical The Bodyguard , at the Adelphi Theatre , touring with the production in 2015 and 2016 . In 2016 , Burke commenced a 12-month residency in Sister Act The Musical , leading the cast as Deloris Van Cartier .