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There's no better excuse than summer to have a 64-babe, single-elimination bikini bracket. We'll be rolling out the match-ups for the entire month of July. Voting on Round One contests will remain open until Sunday, July 10 at 10 p.m. ET.
UPDATE : Voting has now closed for this round. Vote in the current match-ups here .
Hollywood
(3) Mexican bombshell mom Jessica Alba vs. (14) "Gossip Girl"'s Leighton Meester
<a href="http://polldaddy.com/poll/5210125/" mce_href="http://polldaddy.com/poll/5210125/">Summer Bikini Smackdown Round One: Hollywood Region</a><span style="font-size:9px;" mce_style="font-size:9px;"><a href="http://polldaddy.com/features-surveys/" mce_href="http://polldaddy.com/features-surveys/">customer surveys</a></span>
The Studio
(3) MILF Christina Milian vs. (14) Mother-of-two Mariah Carey
<br /> <a href="http://polldaddy.com/poll/5210128/" mce_href="http://polldaddy.com/poll/5210128/">Summer Bikini Smackdown Round One: The Studio Region</a><span style="font-size:9px;" mce_style="font-size:9px;"><a href="http://polldaddy.com/features-surveys/" mce_href="http://polldaddy.com/features-surveys/">survey software</a></span><br />
Classics
(3) "Transformers"'s Victoria's Secret Angel Rosie Huntington-Whiteley vs. (14) 40 & Up Beauty Club's Jennifer Aniston .
<br /> <a href="http://polldaddy.com/poll/5210132/" mce_href="http://polldaddy.com/poll/5210132/">Summer Bikini Smackdown Round One: Classics Region</a><span style="font-size:9px;" mce_style="font-size:9px;"><a href="http://polldaddy.com/features-surveys/" mce_href="http://polldaddy.com/features-surveys/">online surveys</a></span><br />
Reality
(3) "Jersey Shore "'s JWOWW vs. (14) One of the other Kardashian sisters, Kourtney
<br /> <a href="http://polldaddy.com/poll/5210133/" mce_href="http://polldaddy.com/poll/5210133/">Summer Bikini Smackdown Round One: Reality Region</a><span style="font-size:9px;" mce_style="font-size:9px;"><a href="http://polldaddy.com/features-surveys/" mce_href="http://polldaddy.com/features-surveys/">customer surveys</a></span><br />
Photos: Getty Images, GQ Magazine, GQ Magazine, Playboy Magazine
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Tags Christina Milian , Jennifer Aniston , Jessica Alba , Jwoww , kourtney kardashian , Leighton Meester , Mariah Carey , Rosie Huntington-Whiteley , Summer Bikini Smackdown , Summer Bikini Smackdown Round One
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