She may play Gossip Girl‘s Upper East Side vixen Serena van der Woodson on TV, but when it comes to her off-screen style, “I dress just like Serena!” Blake Lively admits in the November issue of Nylon magazine. “I own half her wardrobe, so it’s far too similar to the way I dress,” she continues. “I feel ridiculous at times with her — because I’m, you know, killing someone or marrying someone, but I look like me. I’m like, ‘Oh, this is absurd.'” Having her character’s signature style mesh so seamlessly with her own, however, isn’t something that happens with most roles. “When I’m doing a movie, I hide behind the character’s hair or makeup or clothes. If I can transform myself, then people will really believe that’s who that is — and I need to believe that’s who that is.” One fringe-benefit of trying out a persona? Getting in new products that she might not try on herself, including her latest beauty obsession which she picked up on the set of her next movie, The Town: press-on nails. “They’re really amazing,” she says. Read more of the interview in the latest issue of Nylon, on stands now, or go to nylonmag.com.