Meryl Davis, Charlie White, Drew Carey, Amy Purdy and others will compete
Next gallery »The 10 All-Time Greatest TV Lawyers
« Previous galleryThe 10 questions we need answered when 'Scandal' returns
His Partner: Peta Murgatroyd
His Odds: 4 to 1
Why? As the star of "Big Time Rush," he's likely to have a lot of screaming tween fans ready to vote for him. The problem is whether or not their parents, who are more likely to watch "Dancing with the Stars," will let them use their phones to do it.