Must be nice.
This fabric is Small Susanna B Tana Lawn from the Liberty Art Fabric collection you can find it here for £22 per metre. I bought this fabric a while back for another project I thought it would be perfect for a little DIY fashion project like this one.
Maison Martin Margiela F/W 2012 Collection Artisanal
Maison Martin Margiela Haute Couture Fall 2012