Who's hotter?

EWestwick062708_01_X17.jpg

EWestwick062708_03_X17.jpg

Gossip Girl's Ed Westwick, who celebrated his 21st(!) birthday in Las Vegas at Tao last weekend...

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Nicole Scherzinger NScherzinger062808_03_X17.jpg

...or Pussycat Doll Nicole Scherzinger, celebrating her 30th b-day at LAX in LV the same weekend?

Mmm, that's a tough one - neither of 'em are super-sexy!