They're usually the center of attention, but these stars are happy to play second fiddle when it comes to their best friends' weddings
Updated: Monday Jun 17, 2013 | 06:00 AM EDT
By: Kate Hogan
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Lady Gaga kept it decidedly simple – no meat dress or platforms here! – when standing up for a childhood friend's nuptials in Cabo San Lucas, Mexico, in June 2013.
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