Does anyone know who designed this dress that Megan Fox wore?

Does anyone know who designed this dress that Megan Fox wore?

Megan fox wore this purple dress to the ABC Upfront even in May 2006. Does anyone know who designed it or where I can find one that looks similar???

Here's a link to see pictures of the dress:
http://www.megansafox.com/gallery/thumbnails.php?album=31