Tempah - real name Patrick Okogwu, Jr. - collected the 'British Breakthrough Act' prize while also picking up the 'British Single' gong for his chart-topping debut 'Pass Out'.
The South London rapper celebrated by taking to the stage at London's O2 Arena to perform a medley of his hits 'Written In The Stars', 'Miami 2 Ibiza', 'Frisky' and 'Pass Out'.
Arcade Fire added to their 'Album Of The Year' accolade at last week's Grammy Awards by collecting two trophies tonight: 'International Album' for their transatlantic chart-topperThe Suburbs and 'International Group'.
Take That were named 'British Group' of the past 12 months - the 20th Brit Award to have been collected either by the pop combo as a whole or Robbie Williams as a solo artist.
Meanwhile, Mumford & Sons collected the prestigious 'Mastercard British Album Of The Year' prize for Sigh No More.
Laura Marling pipped Ellie Goulding and Cheryl Cole in the 'British Female' category, while Plan B beat Tempah and Mark Ronson to the 'British Male' award.
Rihanna nuked competition from Katy Perry and Kylie Minogue to take home the 'International Female' trophy, while Cee Lo Green was named 'International Male' over Eminem and Kanye West.
Meanwhile, Justin Bieber beat the Glee cast in the 'International Breakthrough Act' category.
Notable performances at the annual events came from Adele, Rihanna, Take That, Cee Lo Green and Plan B. The ceremony was hosted by Gavin and Stacey star James Corden.
> Click here for the full list of winners from this year's Brit Awards