Jesse McCartney: Toronto Concert Pics!

Jesse McCartney throws up a peace sign while on stage for his concert at the Molson Canadian Amphitheatre on Wednesday night (August 7) in Toronto, Canada.

The 26-year-old actor/singer opened up for the Backstreet Boys on their In A World Like This tour.

PHOTOS: Check out the latest pics of Jesse McCartney

“#NewMusicMonday!! Congrats to @katyperry on #ROAR. Looking forward to making my contribution…#BackTogether,” he recently tweeted.

The month before, Jesse stopped by for a live performance of his new song “Tie the Knot” on E! News in West Hollywood, Calif.