Pin for Later: Why You Should Already Know and Love Charli XCX In addition to writing her own stuff, she tore it up with Iggy Azalea in "Fancy." Source: Virgin Records

Who dat, who dat scoring the Song of the Summer for 2014? I-G-G-Y, of course. With “Fancy,” the Australian rapper and British singer-songwriter extraordinaire Charli XCX scored their respective breakthroughs — soon after, Azalea’s “Black Widow” became her second Top 10 hit, and Charli XCX notched her first solo Top 10 single with “Boom Clap.”

Iggy Azalea inspired by Clueless in her video for 'Fancy'

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