Blue is an English pop boy band, formed in 2000 and consisting of members Antony Costa, Duncan James, Lee Ryan, and Simon Webbe. They achieved major success in the early 2000s with their catchy pop songs and energetic performances. Blue released their debut album, "All Rise," in 2001, which included the hit singles "All Rise" and "Too Close." They continued to release successful albums and singles, collaborating with renowned artists like Elton John and Stevie Wonder. However, the band decided to go on hiatus in 2005, with each member pursuing solo projects. Blue reunited in 2009 and competed in the Eurovision Song Contest in 2011, representing the United Kingdom. They have since released a few albums and embarked on successful tours. Blue's music style combines pop, R&B, and rock elements, and they are considered one of the pioneering acts of the boy band genre in the UK.