Mar 10 Mar 10 Vionnet Colourblock Butterfly-Sleeve Dress Polka Popp Zara Phillips, Dresses Vionnet Colourblock Butterfly-Sleeve Dress Butterfly-sleeve colourblock dress. Purchase Worn by Zara Phillips on:20 July 2012 - Wedding of Natalie Pinkham and Owain Walbyoff Leave a comment