<P> The next day at the warmups, the Bellas' chance of winning end in disaster when the performance makes John and Gail question the Bellas' identity and sets Cynthia - Rose's hair on fire by pyrotechnics . In order to regain harmony and sync, Chloe takes them to a retreat led by former leader Aubrey Posen . Beca starts a heated debate with Chloe over herself being the only one thinking about life beyond the Bellas and Chloe's obsession with winning Worlds . </P> <P> To prove to her boss that she can produce music well, Beca offers Emily to produce "Flashlight" at the studio . The group realizes that they will no longer be together and may go their separate ways after graduation, and regain harmony by singing "Cups (When I'm Gone)." At the studio, Emily and Beca present their song to Beca's boss, in which he demonstrates envy for their talent and looks forward to producing with them . </P> <P> The senior Bellas graduate and they all head off to Copenhagen for the World Finals, with Jesse and Benji to cheer them on . They perform a harmonized version of "Flashlight" with Aubrey, Katherine, and other past Bellas joining in . The Bellas win the championship and repair their damaged legacy . As the senior Bellas leave Barden, they give Emily a belated proper initiation with Fat Amy showing her how to do the last tradition: christening the house by sliding down the staircase . </P> <P> In a mid-credits scene, Bumper performs on The Voice, he chooses Christina Aguilera as his coach and makes her uncomfortable when he gives her an oddly lengthy hug . </P>

Who wins at the end of pitch perfect 2