Image Credit: Gareth Cattermole/Getty Images Lollapalooza 2025 has its lineup, and music fans can't believe that two worlds are colliding. Gen-Z icons Olivia Rodrigo and Sabrina Carpenter are confirmed to be headlining the festival in addition to several other artists. Fans of Olivia and Sabrina recall their rumored feud over an alleged love triangle involving Joshua Bassett. While neither of the Grammy Award winners has confirmed this, their music has still spoken volumes.