Katy Perry's Seventeen cover story

On her purity ring-less finger: "I think that [Miley and the Jonas Brothers] set out to be role models, and I think, I at least hope they know what they're doing. Because once you say you're a role model, you're under a microscope and everyone is waiting and watching for you to do something, you know? And then there's this big pointing-of-the-finger thing. I mean, they have purpose being role models and having the promise ring thing. But it's not for everyone."