This just in: 'Punk'd' has Bieber Fever.MTV is reviving Ashton Kutcher's prank show with Justin Bieber as the host and Mr. Demi Moore producing, deadline.com reports.The show, which debuted in 2003, was a "Candid Camera"-style reality show in which then-host Kutcher used a variety of gadgets and trickery to prank unsuspecting celebrities.Some of its more famous victims included Beyonce Knowles,