The "Treat You Better" singer has seen the top before. His first album, Handwritten, debuted at #1 in 2015, so, like, no big deal, right?
Illuminate racked up 121,000 actual album sales in its first week (and 145,000 album equivalents), which is his best ever. Mendes ousted Drake's Views from the top spot on the chart—an impressive feat, since Drizzy has been chilling on the top on and off since April.
The Suicide Squad soundtrack sits at the #3 spot on the albums chart.
Watch an interview with young Mendes below: