With the release of Rob Sheffield's new book on Taylor Swift, we trace the many ways she's transformed pop in her image

Ryan Reynolds and Blake Lively's daughters don't have to wonder what it's like to meet Taylor Swift — she's their godmother. It's long been known that Reynolds, 48, and Swift, 34, are close friends, but the songstress took that to another level when she shared that she was actually godmother to his children over the summer.

With the kickoff to her 6 sold-out Eras tour Toronto dates, we take a look back at all the times Swift collaborated with Canadians, from Shawn Mendes to Avril Lavigne.