Olivia Rodrigo did a covers of No Doubt's "Just a Girl" at her tour stop in Philly and it was so good.
She told fans she had met Gwen last week at the MET Gala.
She said, “Anyone that knows me knows that I am the biggest Gwen Stefani fan in the world.” she said she recently got to meet her at the Met Gala, quote, "I got to talk to her for a while, and she’s just the coolest human in the world. I love her music so much and I wanted to play this song for you guys tonight.”