Punk'd is an MTV show starring Ashton Kutcher. The show centers around hidden camera gags and outrageous scenarios which pull pranks on unsuspecting celebrities.
Justin Timberlake was one of the guys Kutcher "punk'd". Kutcher made Timberlake believe the feds was taking his property away for tax evasion. Timberlake cried like a baby until Kutcher revealed the gag.