Cue the chiffon! Even celebs lend their help to pals and siblings when it comes to their big day. Take a look at these A-listers who served as bridesmaids in the past. Everyone from Jessica Simpson to Britney Spears have taken on the role.
Costars reunited! Jessica Biel wore a dark brown strapless bridesmaid gown while she served as a bridesmaid for 7th Heaven costar Beverley Mitchell's wedding in 2008. Justin Timberlake also joined the gang for the intimate ceremony.