Shawn Mendes Gives EPIC Performance Of "Treat You Better" & "Mercy" At 2016 AMAs

This episode is Un-leashed by T-Mobile. Stream all the music you want on the network built for unlimited data. T-MobileONE™. One price. All unlimited. For everyone. Visit for full details. More Celebrity News ►► Shawn Mendes made his performance debut at the American Music Awards and rocked out with a dramatic medley. Shawn promised to treat us better AND begged for mercy at the AMAs tonight! That’s right! Singer Shawn Mendes serenaded us at t