Billboard magazine released their list of the hottest young music stars under 21-years-old. Among the twenty-one musical acts, eight of them are girls. So who topped the list? Not surprising, Miley Cyrus beat out the rest of the ladies for the third spot on the list. Following the Wrecking Ball singer is Ariana Grande at number four. Royals singer Lorde came in at number six. Also getting a coveted spot on the list is Cher Lloyd, at number eleven. Disney star Bridgit Mendler earned the number thirteen spot on the list. Rounding out the list is Tori Kelly, Lee Hi and Fifth Harmony.