It's a warm Tuesday evening in July in LA, and Marina Diamandis—the charming, wide-eyed Welsh lead singer and namesake of the ascending pop act Marina and the Diamonds—should be ecstatic. She's recently successfully beaten off vocal hemorrhages; her second album, Electra Heart, has hit the No. 1 spot on the UK and Irish charts; and her first US tour since the album's drop in the States starts tomorrow.

But tonight, Diamandis and her band are the musical act on Jimmy Kimmel Live!, and right now, the look on her face has transformed from excessive excitement to palpable nervous fear.

Read all about our newest cover girl and the unnamed ex who inspired her newest album by buying the October/ November 2012 issue. Here's how you can get your hands on a copy:
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