Kate Bosworth: Pre-MET Costume Institute Gala

Kate Bosworth and her boyfriend, model/musician James Rousseau enjoy a stroll around Manhattan on a rainy Monday afternoon (May 4).

Kate, 26, wore Burberry‘s new degrade trench.

The couple will hit the red carpet tonight at the MET Costume Institute Gala. Kate will be wearing Stella McCartney while James should be wearing Christopher Bailey‘s designs in Burberry.

On Saturday night, JustJared.com ran into Kate at celebrity hairstylist Harry Josh‘s 8th Annual Spring Fling Party held at NYC’s Gramercy Park Hotel. 10+ pics inside…