On Thursday evening, Olivia Rodrigo made her debut at Lollapalooza Chicago and was joined by Weezer to perform their tracks, ...

When Olivia Rodrigo paused her headlining 2025 Lollapalooza performance and asked the crowd, "Is this anyone's first concert?" the audience cheered.

Weezer, the pop/rock band behind hits such as 'Say It Ain't So,' includes, from left, bassist Scott Shriner, drummer Pat Wilson, guitarist Brian Bell, and guitarist/singer Rivers Cuomo.