Usually the bride doesn't want to be upstaged her special day -- but when one of your bridesmaids is a celebrity, it's going to happen.
Selena Gomez and boyfriend Justin Bieber jetted to Mexico this week for a wedding, where Selena walked down the beachy aisle in a lovely blue dress with the rest of the bride's best buds.
But Selena isn't the first star to take a back seat and play a supporting role for a friend's nuptials.
Britney Spears, Jessica Simpson, Jessica Alba, Kim Kardashian and more -- check out more celeb bridesmaids above!
