are an English pop boy band
consisting of four members: Lee Ryan
, Duncan James
, Antony Costa
, and Simon Webbe
. The band has had success runs with over 7 million records sold globally. The group originally formed in 2001 before parting ways in 2005. However, in April 2009, the group reunited and it was announced that the Best of Blue
Tour will take place in December 2009.