Who is this dashing celebrity — so modest, so unassuming, so self-assured that he has the courage to show up to a star-studded celebrity event with his face completely covered? If that glimpse of his jumpoff the ever-present Cassie right behind him doesn't give it away instantly, I'll offer you another hint. The "modest and unassuming" thing was a total lie.

The dramatic reveal, plus lots more celeb costumes from last night's parties, after the jump.

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• Here's Lisa from America's Next Top Model 5 proving that modeling isn't the only thing she sucks at. [EBG]

• If Al Sharpton's not your leader and you have been thinking for yourself your whole life, stand up! [WP]

• Biggies, Biggies everywhere! I bet the guy who pulled up in the Escalade gets the part. He's already got the swagger down. [NYT]

• Oh, if only I was the type of person to get up early and wait in line for Roberto Cavalli's H&M line. [BV]

• Shaunie wants Shaq back? Either she doesn't stand to get very much money in the divorce or this is bizarro world. [Bossip]