Which singer's viral TikTok dance at Charli XCX's Primavera Sound set became a major pop culture moment in 2025?

Chappell Roan became the center of a significant pop culture moment in 2025 with her unexpected appearance during Charli XCX's set at the Primavera Sound music festival in Barcelona. On June 5, Roan surprised the crowd by performing the now-iconic viral "Apple" dance, a choreographed routine that had taken over TikTok. This impromptu collaboration between two highly influential pop artists sent fans into a frenzy, cementing the event as one of the festival's most talked-about highlights.

The "Apple" dance originated on TikTok and quickly became a staple of Charli XCX's "Brat" tour, where she often invited a fan or a famous friend to perform the choreography on stage or on the big screens. For the Primavera Sound performance, it was fellow festival headliner Chappell Roan who stepped into the spotlight. Wearing sunglasses and a mischievous grin, Roan flawlessly executed the moves, much to the delight of the audience and Charli XCX herself, who enthusiastically cheered her on.

This viral moment did more than just entertain; it sparked widespread calls for a full musical collaboration between Chappell Roan and Charli XCX, further solidifying their positions as key figures pushing the boundaries of contemporary pop. Roan's appearance also preceded her own headlining set at Primavera Sound, where she continued to engage with her dedicated fanbase, many of whom embraced the "cowboy hat mania" she inspired. The energy and excitement generated by her "Apple" dance at Charli XCX's show underscored her growing influence and the power of unexpected, authentic pop culture moments.