In the span of a few short years, Shawn Mendes has gone from learning the guitar via YouTube tutorials in his bedroom to playing sold-out arenas alongside Taylor Swift. But how is he with spicy food? Find out as the 19-year-old pop phenom reps his Canadian roots while taking on the wings of death. Along the scorched road, Mendes addresses everything from Justin Bieber's hockey skills, to guitar-store etiquette, to what he can sing about on his forthcoming album that he could never sing about before. Have we seen a bigger physical transformation from a guest in the hot seat since Martin Garrix? You be the judge.