MTV sat down with Union J at the launch of Singstar:Ultimate Party, to talk all about their former X Factor judges, and which of their features the boys would like to steal – with some surprising answers. [related]

JJ Hamblet didn’t even have to hesitate before shouting, “Simon Cowell’s hair!” (lol), while bandmates Josh Cuthbert, Jaymi Hensley and George Shelley all agreed they’d love Louis Walsh’s clap. Whatever floats your boat, boys.

Watch the rest of the interview to find out who Union J think will win this year’s X Factor and if Katie Price really taught them how to pout…

The lads also surprised fans this weekend at WestfieldStratford City, as they dropped in unnanounced to join the singing shoppers on stage.Check out the video below.