VIDEO: Shawn Mendes Performs 'Treat You Better' & 'Mercy' at AMAs 2016

Shawn Mendes hits the stage for a medley of his hit songs at the 2016 American Music Awards held at the Microsoft Theater on Sunday (November 20) in Los Angeles.

The 18-year-old singer performed both “Treat You Better” and “Mercy.” Later on, he’ll be back with “Three Empty Words” on XFINITY On Demand!

PHOTOS: Check out the latest pics of Shawn Mendes

Shawn was also up for New Artist of the Year, but lost out to Zayn Malik.

15+ pictures inside of Shawn Mendes performing at the AMAs…