Bella Thorne Covers 'Seventeen' Prom Issue

Bella Thorne may only have just turned 15, but she's already planned her perfect prom -- and she spills the details as the cover star of Seventeen magazine's "Prom" issue (out on newsstands now). Wearing a blue dress with a high-low hemline and sweetheart neckline, the young star of the Disney Channel show Shake It Up admits her love of the classic prom dress. "I think that since it's prom, you should definitely wear a long dress. You can wear a short one anytime! This is the moment when you get to be a princess, and for me, that means a sweetheart neckline, long, then pouf—out and big."

The actress, who is dating Tristan Klier, also admits what songs would be on her prom playlist: "My dream artist to play at prom would be Frank Ocean. 'Thinking Of You' is one of my favorite songs. He makes really sweet music for slow dancing at prom." Though she admits she likes the up-tempo songs as well: "I like 'As Long As You Love Me' and 'Boyfriend' by Justin Bieber. It gets you moving—you just can't help it! And 'Teach Me How To Dougie' gets [co-star] Zendaya and I every time."

While other young stars have gone the promise ring route, Bella has too -- but it's not what you think. "It's not the traditional promise ring. It's basically to always stay truthful. I think that's a really important part of a relationship, that you're always honest with each other. The [other] ring has a heart and, 'Tristan and Bella' is inscribed. It's a promise to stay pure to ourselves."