George Sampson surprises a viewer and shows off some of his streetdancing moves.

The cast of High School Musical UK Tour: Live On Stage surprise a viewer to help improve her singing.

Actor Brad Kavanagh surprises a viewer and shares the secret of his success.

Pop star Jamelia surprises a viewer and gives the viewer tips on becoming a popstar.

Golfer Ian Poulter surprises a viewer and gives the viewer tips on golfing.