At the end of 2014, Charli XCX was on top of the pop world. She’d enjoyed a global smash with “Boom Clap,” she’d co-written and sang on both Iggy Azalea’s chart-topping “Fancy” and Icona Pop’s global hit “I Love It.” She was 22 years old, had just released her sophomore album “Sucker” to rave reviews, […]