She's one of Strictly Come Dancing's biggest stars and a popular judge on The Greatest Dancer – but Oti Mabuse has said that being offered a job on The Masked Dancer was the best call of her life.The professional dancer and reigning champion of the Strictly ballroom is about to make her debut as a Masked Dancer judge, joining Mo Gilligan, Davina McCall and Jonathan Ross for their Masked Singer spin-off series.