<P> The sixth series of Britain 's Got Talent began airing on ITV on 24 March 2012 and ended on 12 May 2012 . Ant & Dec returned to present the main show on ITV , while Stephen Mulhern returned to present spin - off show Britain 's Got More Talent on ITV2 . Simon Cowell and Amanda Holden returned as judges . Alesha Dixon and David Walliams joined the judging panel , replacing Michael McIntyre and David Hasselhoff . Carmen Electra served as a guest judge for the London auditions in Holden 's absence . The series was won by dancing dog act Ashleigh and Pudsey , with opera duo Jonathan and Charlotte coming second . Welsh choir Only Boys Aloud came third . This was the first series since series 4 where Cowell was present at the auditions after only being present at the live shows in series 5 . </P>
<P> The sixth series of Britain 's Got Talent began airing on ITV on 24 March 2012 and ended on 12 May 2012 . Ant & Dec returned to present the main show on ITV , while Stephen Mulhern returned to present spin - off show Britain 's Got More Talent on ITV2 . Simon Cowell and Amanda Holden returned as judges . Alesha Dixon and David Walliams joined the judging panel , replacing Michael McIntyre and David Hasselhoff . Carmen Electra served as a guest judge for the London auditions in Holden 's absence . The series was won by dancing dog act Ashleigh and Pudsey , with opera duo Jonathan and Charlotte coming second . Welsh choir Only Boys Aloud came third . This was the first series since series 4 where Cowell was present at the auditions after only being present at the live shows in series 5 . </P>
winner of britain 's got talent 2012 final results
winner of britain 's got talent 2012 final results
Ashleigh and Pudsey
Ashleigh and Pudsey