Katy Perry's 'PRISM': The Billboard Cover Story

Katy Perry's 'PRISM': The Billboard Cover Story

The pop queen's new album, "Prism," was shaping up to be darker than anything she'd made before. Then she looked inward and changed course. Then she looked inward and changed course. The result is the most spiritual album she's made yet, led by her eighth No. 1 on the Hot 100, "Roar."
Miley Cyrus performs at the iHeart Radio Music Festival Village on September 21, 2013 in Las Vegas.

Miley Cyrus' 'Wrecking Ball' Spends Second Week Atop Hot 100

Miley Cyrus holds at No. 1 on the Billboard Hot 100 with "Wrecking Ball." The song wins a close race with Katy Perry's former two-week topper "Roar," which takes over atop the Radio Songs chart. Lorde, meanwhile, climbs to No. 1 on Digital Songs with "Royals," which remains at No. 3 on the Hot 100.
21 Under 21: Music's Hottest Minors 2013

21 Under 21: Music's Hottest Minors 2013

They've got hit records, millions of fans, and the kind of success most musicians only dream of -- and they can't even legally uncork a bottle of champagne to celebrate their success. Welcome to Billboard.com's 2013 edition of 21 Under 21, our annual ranking of music's most powerful minors.

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