A Formal Theme Doesn't Keep Sexy Away . . .
The theme for tonight's Costume Institute Gala at the Metropolitan Museum of Art might've allowed less room for full-on sexbomb outfits than last year's anything-goes punk approach, but don't worry: where there's a red carpet, there are bound to be some sultry numbers. Whether it was a low-cut front or a high (high) leg slit, ladies like Lea Michele, Chrissy Teigen, and Nicole Richie had sexy on tap. Scroll down to see all the best.