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

Source: Business Insider

Olivia Rodrigo and Taylor Swift. Chad Salvador/Matt Winkelmeyer/Getty ImagesTaylor 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.