50 Cent (2003)(01 of13)
Open Image ModalAfter first arriving on the scene as Eminem's protegé, 50 Cent soon became known as an artist in his own right, thanks to tracks including 'Candy Shop', '21 Questions' and, of course, his signature hit, 'In Da Club'.He's since become well-known for his behaviour away from the studio, thanks to heavily-criticised comments he's made about gay men, as well as a string of high-profile relationships.Runners up: Electric Six, Yeah Yeah Yeahs (credit:Theo Wargo via Getty Images)
Keane (2004)(02 of13)
Open Image ModalOver the course of their nine years together, Keane released a string of hits including 'Is It Any Wonder?', 'This Is The Last Time', 'Spiralling' and 'Somewhere Only We Know'.They also co-wrote tracks for acts like Gwen Stefani and Kylie Minogue, before announcing their hiatus in 2013.Runners up: Franz Ferdinand, Wiley (credit:Derek Storm via Getty Images)
The Bravery (2005)(03 of13)
Open Image ModalThe New York group enjoyed a successful career together throughout the 2000s, eventually announcing they were going on hiatus in 2012, while the band members went on to projects with other groups.Runners up: Bloc Party, Kano (credit:Frazer Harrison via Getty Images)
Corinne Bailey Rae (2006)(04 of13)
Open Image ModalCorinne Bailey Rae's laidback debut album charmed the entire nation, thanks to summery hits like 'I'd Like To', 'Trouble Sleeping' and her signature track, 'Put Your Records On'.The star took some time away from the spotlight following the death of her husband in 2008, but has since returned to the music scene, with her most recent output 'The Love EP' being released in 2011.Runners up: Clap Your Hands Say Yeah, The Feeling (credit:Rob Verhorst via Getty Images)
Mika (2007)(05 of13)
Open Image ModalWhile the days when 'Lollipop', 'Grace Kelly' and 'We Are Golden' were at the top of the charts in the UK might be behind us, Mika is still thriving internationally.His first ever French-language single 'Elle Me Dit' proved a massive hit overseas, while he's currently acting as a judge on 'The Voice' in France, as well as the Italian version of 'The X Factor'.Runners up: The Twang, Klaxons (credit:Ralph Orlowski via Getty Images)
Adele (2008)(06 of13)
Open Image ModalNever heard of her. Should have been The Ting Tings.Nice flower, though.Runners up: Duffy, The Ting Tings (credit:Jay L. Clendenin via Getty Images)
Little Boots (2009)(07 of13)
Open Image ModalLittle Boots is often credited as being among the less successful 'Sound Of...' winners, particularly given other acts who finished below, such as included Lady Gaga, La Roux and Florence + The Machine.However, she's still enjoying a successful singing career, releasing her third album, 'Working Girl', in 2015.Runners up: White Lies, Florence + The Machine (credit:Charley Gallay via Getty Images)
Ellie Goulding (2010)(08 of13)
Open Image ModalSometimes the BBC really back a winning horse, and that's exactly what they did with Ellie Goulding, pictured here with her now-seldom seen guitar.2015 was another massive year for Ellie, who released her third album, 'Delirium', and received a Golden Globe nomination for her track, 'Love Me Like You Do', which was featured in 'Fifty Shades Of Grey'.Runners up: Marina and the Diamonds, Delphic (credit:Roger Kisby via Getty Images)
Jessie J (2011)(09 of13)
Open Image ModalWith three number one singles under her belt - most recently in 2014 with 'Bang Bang' - Jessie J has certainly made the most of the attention that topping the BBC's 'Sound Of' list brought.She also served as a coach for two seasons of 'The Voice' UK, and currently appears on the Australian version of the TV talent show.Runners up: James Blake, The Vaccines (credit:Neil Lupin via Getty Images)
Michael Kiwanuka (2012)(10 of13)
Open Image ModalThe soul musician's career has gone quiet since the release of his debut album, 'Home Again', which was lauded by critics upon its release in 2012.Runners up: Frank Ocean, Azalea Banks (credit:Caitlin Mogridge via Getty Images)
HAIM (2013)(11 of13)
Open Image ModalThe American group are currently working on the follow-up to their critically-acclaimed debut, 'Days Are Gone', having served as the opening act for their bezzie, Taylor Swift, in the summer of 2015.Runners up: AlunaGeorge, Angel Haze (credit:Shirlaine Forrest via Getty Images)
Sam Smith (2014)(12 of13)
Open Image ModalAnother star for whom 2015 was a monster year, beginning with him scooping a whopping four Grammys, and ending with recording the first ever 'James Bond' theme to top the UK singles chart, 'The Writing's On The Wall'.Runners up: Ella Eyre, Banks (credit:Taylor Hill via Getty Images)
Years & Years (2015)(13 of13)
Open Image ModalIt's only been a year since their victory, but what a year it's been for Years & Years. Their breakthrough single, 'King', entered the UK singles chart at number one, and went on to become one of the biggest hits of 2015, while frontman Olly Alexander's charm and humour has made him a favourite among fans.Runners up: James Bay, Stormzy (credit:Brian Rasic via Getty Images)