Visit the official site: Melvin and Rochelle catch up with Olly, Caroline and Grimmy backstage with The Xtra Factor hosts quizzing the trio .\r
\r
Visit the official site: Melvin and Rochelle catch up with Rita and Grimmy backstage to test them on how well theyre getting on as X Factor .\r
\r
Visit the official site: After an explosive 6 Chair Challenge, Melvin and Rochelle catch up with Nick Grimshaws final six Boys - Ben Clark, .
