After changing into an athleisure outfit – complete with a scoop neck shirt revealing his tattoos – the pop star hit up his afterparty at hotspot Tape London. Bieber, 21, later emerged from the club with his eyes partially shut.
It was an action-packed night for the singer, who took center stage to belt out two hits. Bieber got the party started with a chill rendition of "Love Yourself," for which James Bay provided guitar accompaniment. Things got steaming hot – literally – when flames took over the stage for his dance-heavy performance of "Sorry."
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Bieber also took home the award for best international male solo artist and kissed Adele on the cheek when she claimed one of her four awards.
The big night comes over one week after he wowed the Grammys with a performance of "Love Yourself" and "Where Are Ü Now."
The show also marked a milestone for Bieber: "Where Are Ü Now" earned the best dance recording trophy, his first Grammy win. The accomplishment got a thumbs up from his ex Selena Gomez, 23. Speaking with Entertainment Tonight, Gomez said, "I'm very happy for him. Honestly, so cool."