James Devaney/Getty Images; Noel Vasquez/Getty Images
Both like to tilt their heads for photogs and are fond of sheer black dresses by Hervé L. Leroux.
Meg wore a short-sleeve version of the mesh cocktail dress when she stopped by Dave Letterman to promote Jennifer's Body, the movie where she devours high school boys.
Anna donned a long-sleeved form of the frock to celebrate her Nylon cover-girl status last night at Skybar, where she was joined by her costar and fiancé Stephen Moyer.
Both girls wore black peep-toe pumps, but Anna’s outfit seemed to have a little extra sparkle...