Popsugar Celebrity Evergreen Celebrities in Other Celebrities' Weddings 22 Stars Who Have Been in Their Famous Friends' Weddings March 19, 2017 by Britt Stephens View On One Page Photo 9 of 15 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 9 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. Previous Next Start Slideshow Cameron DiazDrew BarrymoreEvergreenCelebrity CouplesCelebrity WeddingsCelebrity Facts