Karen Carney breaks down in tears after her semi-final performance

The former footballer, 38, and her professional partner Carlos Gu, 32, took to the dancefloor and wowed the audience and judges with a waltz to Whitney Houston 's hit One Moment In Time. The pair scored an impressive 39 points from judges Craig Revel Horwood , Shirley Ballas , Motsi Mabuse and Anton Du Beke , catapulting them to the top of the leaderboard at the beginning of the show.