'Traktor' rappper Wretch proved the biggest winner of the night, taking home four trophies from the six award categories he was nominated in.
Pleased with his haul, he said: "It's amazing. Last year I was saying I wish I could perform and win something like the UMAs and this year I am up on stage collecting four awards! This is one of my highlights of 2011".
Ed Sheeran picked up Best Male Artist at the awards, while Jessie J was named Best Female Artist. Chris Brown picked up International Artist of the Year while Album of the Year went to Beverley Knight for 'Soul UK'.
The awards - which took place in Bayswater, London and were sponsored by Corona Extra - also featured guests including singer and actor David Hasselhoff, model Caprice, and former Atomic Kitten singer Natasha Hamilton.
British radio presenter Tim Westwood was also honoured, picking up the WOWeeOne Lifetime Achievement award at the event.
He said: "The Urban Music Awards has been the backbone for British urban music in this country and Europe so to receive such an award I am truly touched. To know that music fans out there have shown this much love is truly touching."
Full list of winners of the UMA 2011;
Best Collaboration - Chipmunk ft. Chris Brown 'Champion'
Best Male Artist - Ed Sheeran
Best Female Artist - Jessie J
International Artist of the Year - Chris Brown
Best Album - Beverley Knight 'Soul UK'
Best HipHop Act - Wretch 32
Best single - Wretch 32 ft. Example 'Unorthodox'
Best Music Video - Wretch 32 ft Example 'Unorthodox'
Best Newcomer - Emeli Sande
Best Dance Act - Dj Fresh ft. Sian Evans 'Louder'
Best Radio Station - Kiss
Best Producer - Benny Benassi
Best R&B Act - Emeli Sande
Britain's Next Urban Superstar 2011 - Vida