Charli XCX surprised her London audience on Thursday night by bringing out Caroline Polachek, Robyn and Yung Lean,

Charli XCX debuted a number of fan favorites during her Manchester and London shows, paying tribute to late friend and collaborator SOPHIE in the process.

Charli XCX turned London’s O2 Arena into a dazzling celebration of music, fashion, and self-expression on Thursday night, as she delivered an electrifying performance to a sold-out crowd.

Charli xcx has enjoyed a truly stellar year. Released in June, her sixth BRAT album wasn't just an instant pop classic, but a cultural moment that became a meme, a mindset and a way of life. In October,