Charli XCX Published October 24, 2014 at 3696 × 2456 in Charli XCX and Bella Thorne Rock Out at Just Dance Homecoming Charli XCX performs âBoom Clap,â a track from Just Dance 2015, for students at the Just Dance Homecoming at Aspire Pacific Academy on Wednesday, Oct. 22, 2014, in Huntington Park, Calif. (Photo by John Shearer/Invision for Ubisoft/AP Images)