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Zac Efron & Ashley Tisdale! Gwyneth Paltrow! Justin Bieber & Selena Gomez! Hit the sands one more time with the season's most sizzling stars
Updated: Wednesday Aug 31, 2011 | 06:00 AM EDT
By: Christie LaRusso
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Showing off her glowing tan in tiny Tigerlily bikini with sexy sandals and bright bangles, the reality star doesn't drop the ball on her 26th birthday party plans, celebrating at Wet Republic at MGM Grand in Las Vegas.
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