Portland Crowd Sings Shawn Mendes 'Happy Birthday' During Concert - See The Cute Vid!

Shawn Mendes had the coolest 17th birthday ever!

Not only was the “Stitches” singer surprised with a cake on stage during his Portland, Oregon concert on Friday night (August 7), but he was serenaded by the crowd with “Happy Birthday”!

“Portland !! Thank you so much haha i was making weird faces at the crazy music in the back! Not you guys! Love you so much. I look so weird in this vid haha,” Shawn wrote on Instagram, sharing the video with his fans.

He added on Twitter, “17 eh? Pretty cool haha… Thank you guys so much for all the bday wishes! LOVE YOU.”