“We were in New York and my song comes to radio or something and just comes out the fact that it’s about him,” he admits in his new Netflix documentary In surprise. “And I’m like, ‘Yes, it’s about you.’ I like, ‘Everything is about you. They have always been about you.’ And she goes, ‘What do you mean?’ And I like, ‘They’re all about you. Like, every song I write.’ And I like all of these songs, like, “Treat You Better,” and he sings, “Oh my God.” He really had no idea. “
In honor of Mendes’ upcoming performance, let’s take a look at the couple’s relationship and some of their best viral moments over the years.