Rooney Mara did not disappoint in her black lace Givenchy gown from the designer's Spring 2012 couture collection at last night's 2012 Met Gala. And not only did she not disappoint, she made quite the sexy statement in her dramatic sheer lace skirt with killer thigh-high side slit. Black lace is something that every girl needs in her closet for many reasons. The first being Rooney Mara, but also because it's a classic that will remain relevant for years to come. And depending on the cut and fit, it can be super sexy, like Rooney's, or sophisticated. Inspired by Rooney, we've picked a handful of our favorite black lace dresses for you to shop now!