Charli XCX, began posting her own music on MySpace in 2008, and quickly caught the attention of music execs. After watching songs that she'd written for other artists become huge hits, she finally had her own breakthrough as a performer in 2014 with "Boom Clap." We're exploring the music that made her, the songs she's made for her friends, and the tracks that are essential must-knows for every Charli fan.