1Meghan Markle
Instagram 2Mary-Kate and Ashley Olsen
AfloThe Olsens headed to the Southwood estate located on the east bank of the Hudson River to celebrate the wedding of their longtime friends Cassie Coanes. The dress code was florals, and the twins unsurprisingly wore vintage.
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3Emily Ratajkowski
InstagramEmily was a bridesmaid in her friend's wedding, captioning the shot of herself in her peach dress with a simple "Bridesmaids 💐".
4Alessandra Ambrosio
InstagramAlessandra Ambrosio was a bridesmaid at her close friend Ana Beatriz Barros's wedding in Mykonos this July. Ambrosio enthusiastlically shared the love on Instagram with a message that went: "I'm so happy to be by your side at the most beautiful and loving time of your life!!! I wish you all the happiness in the world!! Cheers to the most beautiful bride EVER.
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5Taylor Swift
InstagramTaylor Swift was the maid of honor at her childhood friend Britany Maack's wedding in Pennsylvania on February 20, 2016. "I met her when I was 10 days old, and him in kindergarten," she wrote on Instagram. "Now they're married and I'm the happiest maid of honor ever. Congratulations @britmaack and Ben!" Swift wore a stunning blush Reem Acra gown as she celebrated her best friend's big day.
6Emma Roberts
InstagramEmma was a bridesmaid in her friend Kara's wedding in November 2015.
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7Paris Hilton
Getty ImagesParis Hilton was a bridesmaid at her sister Nicky's wedding in London on July 10, 2015.
8Sofia Vergara
@SofiaVergara InstagramSofia Vergara was a bridemaid in buttercup yellow at her friend's wedding on June 27, 2015.
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9Rachel McAdams
FameFlyNet 10Eva Longoria
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11Rihanna
Instagram"Bridesmaids. #davis420wedding," @badgalriri captioned this Instagram snap on April 20th. The singer walked down the aisle in a lilac gown for assistant Jennifer Morales' Hawaiian nuptials.
12Lady Gaga
Splash NewsWe can't even imagine what kind of outfit is in store for her own upcoming nuptials to Taylor Kinney, but Gaga wore an understated lavender gown for her good friend's wedding in New Orleans on March 20.
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13Sarah Jessica Parker
via InstagramSJP was on hand to help former Sex and the City assistant Melinda Relyea celebrate her nuptials in Greenwich in August.
14Lady Gaga
FameFlynetWe have to applaud Lady Gaga for looking unrecognizably normal as the maid of honor at her best friend's wedding last June. (One of her regular getups may have upstaged the bride, no?)
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15Cara Delevingne
FameFlynetThe model of the moment was maid of honor to her sister Poppy, when the socialite and model married James Cook in May.
16Jennifer Lawrence
Ryan RayCaptured beautifully by Martha Stewart Weddings, J.Law was part of her brother Blaine's wedding party earlier this year.
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17Lauren Conrad
via InstagramThe newly engaged reality star-turned-businesswoman was part of Paper Crown partner Maura McManus' wedding in August, marking a Laguna Beach reunion of sorts: Lo Bosworth was also a bridesmaid.
18Ashley and Mary-Kate Olsen
SplashThe duo looked quite beachy at the Mexico nuptials of a friend in 2007.
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19Lottie Moss
GettyIn an appearance that arguably helped kick-start her newfound modeling career, Lottie Moss was a bridesmaid for big half-sis Kate's wedding to Jamie Hince in 2011.
20Kate Bosworth
SplashThe actress wore black to her friend's Sydney wedding in 2008.
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