Um, hello throwback?

First, Olivia Rodrigo brings Avril Lavigne on stage during her SOUR tour to sing Complicated.

NOW, we have another pop-punk moment on Olivia’s stage when she decided to cover Gwen Stefani’s “I’m Just a Girl.”

Check out Olivia singing the 90’s hit during her stop in Philadelphia >>>

What song should she cover next?? Comment below!

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