and Ashton Kutcher
both stopped by "Jimmy Kimmel Live
" (Weeknights, 12 a.m. ET on ABC) Tuesday night to talk about their new joint venture: the Season 9 Premiere of "Punk'd
."In the episode, Justin pranked the perfectly nice Taylor Swift
. So why did he choose her as his "Punk'd" victim? "I wanted to make her cry," joked Bieber.
It didn't take long before the chat took a decidedly racy turn. Kutcher was pondering the idea of ...