X Factor final: Matt Terry, Saara Aalto and 5 After Midnight duets revealed?

It is a tradition for the three finalists to sing with a famous name for the ITV show's grand finale. And in the past, contestants have sung with the likes of Rihanna, Michael Buble and even Beyonce. But now the star-studded line-up ahead of Sunday's final episode has apparently been revealed. According to reports, Saara Aalto will be teaming up with American Idol star Adam Lambert who has recently been touring with Queen.X Factor: ...