Rachel McAdams in Derek Lam

Here's the last post of coverage from New York's Mercedes Benz Fashion Week - Rachel McAdams at the Proenza Schouler Spring 2010 show.

Back as a blonde Rachel was complimented her new coloring in a cobalt blue Derek Lam dress, as she took her place next to US Vogue editor Anna Wintour in the front row.

Pics from Just Jared