Fall Music Preview: The Season's Hottest Albums

Lewis is best known for Mariah Carey-style powerhouse pop ballads, but the British singer is headed to the dance floor on her third LP – from the sweeping house beat of the lead single, "Collide," to the island groove of standout cut "Burn." "I had just gotten out of a time when I was really sad," says Lewis, who recently broke up with her pre-fame boyfriend of more than a dec­ade. "I wanted to sing something euphoric and that you can dance to, and kind of forget everything."