Mendes became an overnight star in August 2013 after posting a Vine of him singing a Justin Bieber song.\r \r What does an average day look like for Stitches singer Shawn Mendes? He let Nightline tag along for a behind the scenes, backstage look. SUBSCRIBE to ABC .\r \r What does an average day look like for Stitches singer Shawn Mendes? He let Nightline tag along for a behind the scenes, backstage look. SUBSCRIBE to ABC .\r \r Shawn Mendes opens up to host, Jason Ikeler about touring with Taylor Swift, his debut album, the strangest place hes ever written a song and more! Follow .
