English singer - winner of X Factor 2008 whose debut single "Hallelujah" (a Leonard Cohen cover) was the Christmas number 1 during the same year.
Her debut album "Overcome" was issued in 2009 followed by "Heartbreak on Hold" (2012) and 2018's: "The Truth Is".
In 2014, Alexandra replaced Beverley Knight as Rachel Marron in the UK production of The Bodyguard.
Alexandra appeared in the 2017 edition of the BBC's Strictly Come Dancing, where she was paired with professional dancer, Gorka Márquez. They finished in fourth place.