Britney Who? Here's Why You Should Watch X Factor

The X Factor’s live shows began Wednesday night, and the performances are out-of-control cra-cra — just all kinds of smoke and mirrors with writhing backup dancers and costumes from Lady Gaga’s dumpster. If you’re still on the fence about whether or not to watch this hot mess, behold the Vegas foolishness of flaming contestant Jason Brock’s rendition of JLo’s “Dance Again” — after which he grabs cohost Mario Lopez’s butt.