At London’s O2 Arena on Thursday night, “Brat” wasn’t just a word, or the name of Charli XCX’s wildly successful album — it was a way of life. Looking out at the sea of people who packed the sold-out show,

What began as excitement for Charli XCX’s breakout album Brat, which came out in June, became fused with the excitement surrounding Kamala Harris’s entry into the presidential race in July. But an autumnal reckoning lay ahead.

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 invited Swedish singer Robyn and several other stars to join her at the iconic Brat World Tour performance in London.