A timeline of Taylor Swift and Olivia Rodrigo's relationship — and why some fans think they have beef

Olivia Rodrigo and Taylor Swift. Chad Salvador/Matt Winkelmeyer/Getty Images Taylor Swift and Olivia Rodrigo demonstrated mutual respect and support as Rodrigo rose to fame. Their dynamic seemed to shift after Rodrigo gave Swift a retroactive writing credit on "Deja Vu." Rodrigo has denied rumors of a feud, and recently said she doesn't have time to dwell on it. For a while, it appeared there was no bigger Swiftie than Olivia Rodrigo. Like many singer-songwriters of her generation, Rodrigo ...