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Dave Hogan/Hulton Archive/Getty Images
Years Active: 1989-1996 (got back together in 2005-present)
Members: Gary Barlow, Robbie Williams, Jason Orange, Howard Donald and Mark Owen
Breakout Boy: Robbie Williams, who left the group in 1995 to start his own solo career thus breaking up the band. A tale as old as time.
Background Info: Wildly popular in the UK, the group released 12 No. 1 singles and eight No. 1 albums during their run, selling over 45 million records globally. Their success never quite traveled across the pond though. Still, there success in Europe is impressive, with over they have the most No. 1 singles certifications for a pop band and a male band in the UK since The Beatles.
Songs to Steam: "Back for Good," "Everything Changes" and "Never Forget"