Illuminate is the second studio album by Canadian singer-songwriter Shawn Mendes. It was released on September 23, 2016, through Island Records. It is a follow-up to his debut album Handwritten (2015). Musically, the album contains music genres pop, rock and blues. The album debuted atop the US Billboard 200 and the Canadian Albums Chart. It was preceded by the lead single "Treat You Better", which reached the top 10 on the Billboard Hot 100. This album was supported by the Illuminate World Tour, which began in March 2017.