Taylor Swift Gets 'Punk'd' By Justin Bieber!  

Practical jokerJustin Bieber and Taylor Swift have appeared in a commercial for the new series of hit MTV show, Ashton Kutcherto front the hidden camera show - which last hit TV screens in 2007.

Although the Two And A Half Men actor will act as the show's producer instead.

As well as Justin, the likes of Bam Margeraand Demi Lovato being Punk'd. 

GOT BIEBER FEVER? CHECK OUT PICS OF JUSTIN IN OUR GALLERY HERE!  

SEE 101 OF THE BIEBSTER'S MOST FAMOUS LOOKS HERE!