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.
Katharine McPhee looked smashing at her sister's nuptials on June 8, 2012. The actress rocked a long halter top ensemble.