Cowell not convinced on crop of semi-finalists

Simon Cowell isn’t sure if this year’s ‘X Factor’ winner will be a success.

The show supremo insists that although he is happy with this year’s semi-finalists – Joe McElderry, Danyl Johnson, Stacey Soloman and Olly Murs – there are no “big belters” such as previous winners Leona Lewis and Alexandra Burke.