'Punk'd', MTV's celebrity version of 'Candid Camera', is having its run on the channel extended.
A further 20 episodes of the show, fronted by actor Ashton Kutcher, are to be aired.
Targets of the show's pranks have included Justin Timberlake and Kelly Osbourne and Kutcher has warned that 'all of Hollywood should be afraid'.
The 25-year-old actor currently faces competition from Prince William in an online poll by People magazine in the US to find the Bachelor of the Year.
