Princess Diana's back-up wedding dress and shoes were auctioned at London's Kerry Taylor auction house.

When you’re getting married in front of millions, you ought to have a back up plan.

Or a back-up dress, to be more precise. Exact replicas of Princess Diana’s wedding dress and slippers were auctioned off in London this week for approximately $132,000. The David Emanuel gown and Clive Shilton shoes were made for the princess in case anything went wrong with her original outfit prior to the ceremony.

A fashion museum in Chile bought the dress; a private buyer took home the shoes (which, according to the Daily Mail, have the initials C and D joined together with a heart on the soles).

Wonder if Duchess Catherine had her own replicas waiting in the wings?