Undercover: Olly Murs
Olly Murs arrived at Madame Tussauds expecting a standard measuring-up session, in preparation for the sculpting of his brand new waxwork. Turns out that Ant and Dec had other ideas...
Watch above as Olly is fooled into thinking he's testing out a brand new, state of the art measuring system, when in actual fact he's at the total mercy of our very own pranksters Ant and Dec.
Bring on the leotard and cue the lunge!