A Charli XCX 'Bucket Hat' with an adjustable chin strap for the perfect fit. Charli XCX is a UK pop singer, songwriter, and model. She rose to fame in 2013 with the release of her single "Boys" which charted in over 20 countries. She has since released two studio albums - Number 1 Angel (2015) and Sucker (2017). In 2018, she released her third album Pop 2.