Jennifer Aniston in Cabo with Gerard Butler

Jennifer Aniston jetted off to Los Cabos, Mexico to celebrate her 41st birthday with her standard crew of dried-up old birds this past weekend, but there was something different this time… something with a penis. Gasp! People Magazine says

She had a surprise birthday guest: Gerard Butler, her costar in the upcoming comedy, The Bounty Hunter.

Aniston flew a large group of pals including Butler, Courtney Cox and Sheryl Crow to the One & Only Palmilla resort Thursday evening where the group is staying in a beautiful waterfront villa.

There’s a name for the fine line between “perinnial bachelorette looking for a fling” and “hiring a male prostitute because you’re a lonely divorcée who divides her time between mahjong and canasta with the girls and drawing mustaches and horns on pictures of your ex-husband’s new wife,” and that name is Gerard Butler. Frankly, it’s all downhill from there.

Lots more pics after the jump:

PHOTO SOURCE: Bauer Griffin Online

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