Leona Lewis ' career started in 2006 and she is the second best-selling act from the UK X Factor , behind Little Mix
`` She then collaborated with Calum Scott on the single `` '' You Are The Reason '' '' ( 2018 ) which achieved chart success , and had a recurring role in the American television series The Oath ( 2019 ) .With a career starting in 2006 , Lewis is the second best-selling act from The X Factor franchise in the UK , behind One Direction and Little Mix , having sold over 30 million records worldwide . ''