There are multiple artists with this name: 1) Blue are a British boy band consisting of four members: Lee Ryan, Duncan James, Antony Costa, and Simon Webbe. The band debuted in 2001, and split up after much sucess, in 2005. All of the band members pursued solo singing careers alongside other interests. The band recently announced (April 2009) that they had reformed. Their only confirmed gig so far is Capital FM's Summer Ball in London.