Why Charli XCX gave her hit song to Shawn Mendes
The U.K. hitmaker spills on writing songs for the biggest pop stars.
October 16, 2019 3:52 p.m. EST
October 16, 2019 4:08 p.m. EST
LONDON, ENGLAND - MAY 22: Charli XCX visits Kiss FM at Kiss FM Studio's on May 22, 2019 in London, England. (Photo by Joe Maher/Getty Images)
