A week ago, Elizabeth “Lizzie” Olsen was just another 21-year-old senior at NYU who happened to have two very famous half-sisters: the TV-movie-fashion-and-overall-marketing phenomenon known as Mary-Kate and Ashley.This week, thanks to the Sundance Film Festival, where she’s starring in two much-buzzed about films (Martha Marcy May Marlene and Silent House), the “third” Olsen has been a hot topic on Twitter; has been unilaterally declared the festival’s “It Girl” (a prestigious, not to mention very hip, crown worn previously by Zooey Deschanel, Carey Mulligan, and Parker Posey); and has just landed a role in a big, Hollywood movie—Red Lights, a psychological thriller directed by Rodrigo Cores (Buried), and starring Robert DeNiro and Sigourney Weaver.But if Lizzie—who looks uncannily like her sisters, even though she’s not 100 percent blood-related—is poised to overtake their fame, she’s doing it in her own distinct, and very stripped-down way.To read the rest of Nicole's post on Sundance Channel, click here