The R&B superstar took home eight awards -- the most of any male artist since 2011. Unsurprisingly, Adele was also a big winner, taking home the Top Artist prize among her five awards. Rihanna won the fan voted Billboard Chart Achievement Award.
Other highlights included the debut of Adele's video for her latest single "Send My Love (to Your New Lover), a duet between couple Blake Shelton and Gwen Stefani on "Go Ahead and Break My Heart."
Here are the 2016 Billboard Music Award winners:
Top Artist: Adele
Top New Artist: Fetty Wap
Top Female Artist: Adele
Top Duo/Group: One Direction
Top Billboard 200 Artist: Adele
Top Hot 100 Artist: The Weeknd
Top Song Sales Artist: The Weeknd
Top Radio Songs Artist: The Weeknd
Top Streaming Songs Artist: The Weeknd
Top Social Media Artist: Justin Bieber
Top Touring Artist: Taylor Swift
Top R&B Artist: The Weeknd
Top Country Artist: Luke Bryan
Top Rock Artist: twenty one pilots
Top Latin Artist: Romeo Santos
Top Dance/Electronic Artist: David Guetta
Top Christian Artist: Hillsong UNITED
Top Gospel Artist: Kirk Franklin
Top Billboard 200 Album: Adele, "25"
Top Soundtrack: Pitch Perfect 2
Top R&B Album The Weeknd, "Beauty Behind the Madness"
Top Rap Album: Meek Mill, "Dreams Worth More than Money"
Top Country Album: Chris Stapleton, "Traveller"
Top Rock Album: twenty one pilots, "Blurryface"
Top Latin Album: Juan Gabriel, "Los Dúo"
Top Dance/Electronic Album: Zedd, "True Colors"
Top Christian Album: Lauren Daigle, "How Can It Be"
Top Gospel Album: *Kirk Franklin, Losing My Religion
Top Selling Song: Adele, “Hello”
Top Radio Song: WALK THE MOON, “Shut Up And Dance”
Top Streaming Song (Audio): The Weeknd, “The Hills”
Top Streaming Song (Video): Silentó, “Watch Me”
Top R&B Song: The Weeknd, “The Hills”
Top Rap Song: Wiz Khalifa ft. Charlie Puth, “See You Again”
Top Country Song: Thomas Rhett, “Die A Happy Man”
Top Rock Song: WALK THE MOON, “Shut Up And Dance”
Top Dance/Electronic Song: Major Lazer & DJ Snake ft. MØ “Lean On”
Top Christian Song: Hillsong UNITED “Oceans (Where Feet May Fail)”
Top Gospel Song: Kirk Franklin, "Wanna Be Happy?"
Fan Voted Billboard Chart Achievement Award: Rihanna