22 Stars Who Have Been in Their Famous Friends' Weddings

When it comes to planning your wedding, one of the most important things is having your closest, most trustworthy friends by your side — and it's no different for celebrities. Over the years, many stars have attended each other's ceremonies, but a select few have included their high-profile pals in the official wedding party, whether they were bridesmaids, best men, or even officiants. In 2013, Chris Kirkpatrick had his former *NSYNC bandmates by his side for his nuptials, and the following year, Lauren Conrad married William Tell in front of a big group of bridesmaids that included her close friend and former reality show costar Lo Bosworth. Jessica Simpson has been in plenty of wedding parties, and Cameron Diaz has been a bridesmaid for two of her famous friends. Keep reading to see all the stars who have supported their famous friends on their big day, and check out all the celebrity weddings pictures you can handle.

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Chris Kirkpatrick had all four of his former *NSYNC members — Justin Timberlake, JC Chasez, Lance Bass, and Joey Fatone — as his best men when he married Karly Skladany in November 2013.

Elizabeth Messina | Getty Images

Lauren Conrad's BFF and former reality show costar Lo Bosworth was a member of her bridal party when she wed William Tell in September 2014.

Getty | Cindy Ord

Jennifer Garner's Alias costar (and onscreen dad) Victor Garber officiated her June 2005 wedding ceremony with Ben Affleck.

Getty | Noel Vasquez

Jonah Hill was on hand to officiate Adam Levine's July 2014 wedding to model Behati Prinsloo. The pair have been friends since middle school, where, according to Jonah, they were in a carpool together and would hang out at each other's houses. Jonah's brother, Jordan Feldstein, is also the manager of Maroon 5.

Anna Camp tapped her Pitch Perfect costar Brittany Snow as one of her bridesmaids when she married Skylar Astin in September 2016.

Getty | Lester Cohen

When Amy Smart married Carter Oosterhouse in September 2011, her longtime friend and fellow actress Ali Larter served as one of her bridesmaids.

Nicole "Snooki" Polizzi gave her friend and former Jersey Shore costar Jenni "JWoww" Farley the honor of being her bridesmaid when she married Jionni LaValle in November 2014.

Ashley Tisdale married Christopher French in September 2014 and enlisted her High School Musical costar and longtime pal Vanessa Hudgens as a member of her bridal party.

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When Lake Bell married artist Scott Campbell in June 2013, she had Cameron Diaz by her side as a bridesmaid, and Scott gave his pal Justin Theroux the honor of being his best man.

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Not only was Zach Braff the best man for his BFF Donald Faison's wedding to CaCee Cobb in December 2012, but he also hosted the event at his home in LA. Naturally, one of CaCee's bridesmaids was her childhood best friend, Jessica Simpson.

Getty | Ryan Miller

Drew Barrymore had Cameron Diaz as one of her bridesmaids when she married Will Kopelman back in June 2012. We can only imagine that Cameron gave Drew the same honor when she wed Benji Madden in January 2015!

Getty | Jon Kopaloff

Jessica Biel acted as bridesmaid for her former 7th Heaven costar Beverley Mitchell when she married Michael Cameron in October 2008.

It's no surprise that Beyoncé was a bridesmaid for her sister Solange, but singer Janelle Monaé was also part of the wedding party when Solange married Alan Ferguson in November 2014.

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Rachel Bilson introduced Josh Schwartz, the creator of The O.C., to his wife Jill Stonerock — so when they tied the knot in Santa Barbara, CA back in September 2008, Rachel acted as the maid of honor.