anyone know where this dress is from?

[Greenfinger]

i am desperate to buy this (for a present, not for me sadly) but have come up against a brick wall in my attempts to find out where it's from - help me!

www.instylemagazine.co.uk/instyleuk/celebrities/lookoftheday/photos/0,,,00.html

It is designed by Michael Kors. Have a look on places like net-a-porter.com for Michael Kors things. It may be a one-off couture piece