Simon: Lady Gaga - Poker Face
Ethan: Jason Derulo - Whatcha Say
JJ: T.a.t.o - all the tings she Said
Tobi: 'N Sync - Bye Bye Bye
Josh: Nickelback - How You Remind Me
Vikk: Taylor Swift - You Belong With Me
Harry: Gwen Stefani - Hollaback Girl