WATCH: SHAWN MENDES' Mashup Performance Of "Castle On The Hill" And "Treat You Better"

Candian singer-songwriter Shawn Mendes wowed thousands of people gathered at the Wembley Stadium in London after he showed off an impressive mashup performance of Ed Sheeran's "Castle On The Hill" and his very own "Treat You Better" during his set at Capital FM's massive Summertime Ball event! The thing is, he always knows how to treat his fans with a better performance. Watch the video below:

Video courtesy: Capital FM

This year's stellar lineup of artists included Bruno Mars, Little Mix, Niall Horan, Liam Payne, Zara Larsson, Dua Lipa, Clean Bandit, Anne-Marie, and Charlie Puth among others.

What can you say about Shawn Mendes' mashup performance of "Treat You Better" and "Castle On The Hill"? Tell us in the comments!