The artists with the most awards won were Tinie Tempah and Arcade Fire, with two wins each.
The performance launched "Someone Like You" 46 spots up the UK charts to number one, and in the process, made Adele the first artist in the UK since The Beatles to have two top-five singles and two top-five albums at the same time.
James Corden made jokes throughout the ceremony which drew criticism on social networking site Twitter.
Similarly, after Plan B's performance of his hit "Prayin'" finished with a man on fire, Corden described it as a really violent episode of Porridge and remarked "is Justin Bieber OK?
As the man on fire took to the stage during Plan B's performance, some of the crowd showed their disapproval and booed.