Quick, somebody give Khloe Kardashian Odom's stylist a raise!

The new X Factor host's ultra-sheer, ultra-revealing top on last night's live show helped Fox finally score the ratings they've been expecting after adding Britney Spears and Demi Lovato as judges.

For the first time, X Factor came in first place in the coveted 18-49 demographic, leading Fox to win the night overall. The overall audience jumped by 30 percent.

Of course, the live show had more going for it than Khloé going braless (which a blushing Simon Cowell called "distracting"): Last night's Halloween episode also marked the first time viewers got to see Demi Lovato and Britney Spears giving live commentary, plus the debut of new hosts Khloé and Mario Lopez.

CBS came in second last night, ABC third and NBC fourth. The only other series to gain in the ratings was the CW's Supernatural, with 2.11 million viewers.

X Factor goes live again tonight. Check back later for our recap, plus backstage scoop!

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