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.