WATCH: Taylor Swift’s Surprise “Summer Of 69’” Duet With Bryan Adams

The 1989 singer goes back to 1985

Toronto got a Taylor-sized surprise this weekend, as Canadian rocker Bryan Adams emerged from beneath Taylor Swift's Reputation Tour stage to perform his classic “Summer Of 69’” on Saturday.

“It’s just one of my favorite songs ever written” said Swift while strumming the opening chords of the 1985 tune. “It’s not one of mine.”