Kate Mara - Oscars 2012 Red Carpet

Kate Mara gives a smile over the shoulder as she arrives at the 2012 Oscars held at the Hollywood & Highland Center on Sunday (February 26) in Hollywood.

The 28-year-old American Horror Story actress wore a dress by Jack Guisso Couture, Lorraine Schwartz jewels, and Brian Atwood heels.

Earlier in the week, Kate attended Vanity Fair‘s “Vanities” party in Hollywood. Actors Malin Akerman and George Clooney were also present at the star-studded event.

Billy Crystal hosts the 2012 Oscars live TONIGHT at 8:30 p.m. ET/5:30 p.m. PT on ABC!