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JLS picked up two awards at this year's BT Digital Music Awards, held at The Roundhouse in Camden.

The former X Factor boy band won best group for the second year running and their track with Tinie Tempah, Eyes Wide Shut, was voted best video.

Fellow X Factor artist Olly Murs won in the male artist category while Jessie J won best female artist, newcomer and song for her single Price Tag.

Radio 1's website picked up an award for the best place to discover music.

Other winners at the event included Adele, who won best independent artist, and Bruno Mars, who was voted best international artist.

Kaiser Chiefs picked up an award for artist promotion for the launch of their latest album, The Future is Medieval.

The Leeds band allowed fans to choose which tracks they wanted on the record and got to design their own cover.

Ed Sheeran was named breakthrough artist of the year.

Marina and the Diamonds, Nicola Roberts, Maverick Sabre, Charlie Simpson and Rizzle Kicks also performed at the event.

The full list of winners is as follows:

Best male artist - Olly Murs

Best female artist - Jessie J

Best group - JLS

Best international artist or group - Bruno Mars

Best independent artist or group - Adele

Best newcomer - Jessie J

Best song - Jessie J ft B.o.B (Price Tag)

Best video - JLS with Tinie Tempah (Eyes Wide Shut)

Best place to discover music - Radio 1 online

Best place to hear music - YouTube

Best place to buy music - iTunes

Best music app - Orange Glastonbury 2011 app

Best event winner - Coca-Cola Music's 24 Hour Session with Maroon 5

Best artist promotion - Kaiser Chiefs' The Future is Medieval album launch

Best radio show or podcast - The Adam & Joe Show

Breakthrough artist of the year - Ed Sheeran

Artist of the year - The Streets

Best innovation or gadget - SoundCloud

People's choice award for best official site for an artist - coldplay.com

People's choice award for best fan site for an artist - coldplaying.com