But it's not because he's scared to shake it in national TV...it's because the 17-year-old teen phenom is just too busy. "He wasn't able to do it with his current schedule," a source says. Other celebs who turned down DWTS reportedly include Glee's Heather Morris and Martha Stewart.
However, plenty of our favorite guys did sign on for the show, such as Cody Simpson and Big Time Rush's James Maslowe, and if that's not enough reason to tune in, this season will feature a new twist. All couples will switch partners at some point in the season, and America can vote on who should pair up with who.
Maybe ABC producers should have called Justin Bieber...he seems to have some free time on his hands these days and we bet the strict training schedule would be good to keep him out of trouble (and jail.) Plus, he could certainly use some positive PR!