Charli XCX 'Breaks The Rules' & Covers 'Billboard' Mag

Charli XCX gets up close on this week’s cover of Billboard mag. The 22-year-old “Break The Rules” singer opened up to the glossy about her new hit single and reflecting on her previous album. Check it: On insta-hit “Boom Clap”: “I just didn’t realize that song would be around for so long. I don’t want