The sour vibe between Sabrina Carpenter and Olivia Rodrigo just got much sweeter. The two pop stars have been infamously pitted against one another for about four years, ever since Rodrigo’s ...

a ticket to Olivia Rodrigo's sold-out concert in Philadelphia the following night. Insider's music team (editor Courteney Larocca and myself) had previously been denied access to Rodrigo's "Sour ...