Every girl would love to own a couture gown, and one lucky bidder will have the chance to get their hands on a piece Cavalli's design history tonight in an auction at the Royal Opera House.

The design house is auctioning a stunning buttercup-coloured, tulle layered gown to help raise funds for a new organ for the Royal Academy of Music.

The dramatic dress has previously been worn on the Cannes red carpet by Crouching Tiger, Hidden Dragon actress Michelle Yeoh.

Elton John will lead the ceremony and award the highest bidder with their dream dress. May the best woman win!

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By Hayley Spencer