Shawn Mendes Ready for 'Unreal' People's Choice Awards Performance With Camila Cabello

Shawn Mendes looks sharp while arriving at the 2016 People’s Choice Awards held at the Microsoft Theater on Wednesday (January 6) in Los Angeles.

The 17-year-old “Stitches” singer will perform “I Know What You Did Last Summer” with his collaborator Camila Cabello, 18.

PHOTOS: Check out the latest pics of Shawn Mendes

Shawn hyped up the performance the day before on Twitter, writing, “Tomorrow is gunna be unreal.” He also retweeted an update account that said the performance would be “very special” and “full of huge surprises.”

10+ pictures inside of Shawn Mendes arriving at the 2016 People’s Choice Awards in Los Angeles…