While promoting everything from her partnership with Clean and Clear to that little movie you might have heard of called Camp Rock 2, to turning the big 1-8 (woohoo!) just a few days ago, Demi Lovato is basically the busiest teen around. But when she's not hanging out with the JoBros or jet-setting around the world (uh, jealous!), she's just another girl like us who likes makeup, Twitter -- and Usher! Click on for deets on all things Demi.