Celebrities got married and engaged in droves this summer. Natalie Portman, Drew Barrymore and others tied the knot, while Jennifer Aniston, Sofia Vergara and Avril Lavigne are just a few of the celebs sporting new ring-finger bling.
But sometimes, celebrity weddings aren't all shiny rocks and frilly frocks. With so many stars walking down the aisle, there are bound to be some bloopers and weird moments. Click through the slideshow to see five of the summer's strangest celebrity wedding happenings -- from goofy gifts to interesting invitations.