Sister Style Showdown: Rooney Mara vs. Kate Mara (POLL)

By: / December 15, 2011

Rooney Mara: Fun Facts!
10 things you don't know about Rooney Mara.
The stars were aligned last night at The Girl With the Dragon Tattoo premiere in NYC. The movie’s star, Rooney Mara, 26, stunned as she hit the red carpet in a black cutout dress from Prabal Gurung, paired with black heels.

Style seems to run in the family, as Rooney’s stylish big sister, Kate Mara, 28, also dazzled at the premiere. Kate showed her support in a cleavage-baring coral Christian Dior dress, paired with a gold clutch and pumps.

While it was Rooney’s night to shine at the premiere, which sister do you think looked best on the carpet? Vote in the poll and sound off in the comments.