Charli XCX has become a pop touchstone, and the woman everyone is clamouring to collaborate with. In the last two years alone, she has worked with BTS, Diplo, Cardi B, Clean Bandit, and Taylor Swift – not to mention the artists she collaborated with on 2017’s Pop 2. Charli XCX is the benchmark of the late 2010’s pop; heavily influenced by contemporary dance music and produced in tandem with PC Music, it’s messy, fun, outrageous, and appropriately melancholic. Pop 2 was, rightfully, critically acclaimed. How does Charli compete? On collaborations alone, Charli is standout. The release of the album was…