REO Speedwagon (originally stylized as R.E.O. Speedwagon) is an American rock band from Champaign, Illinois. Formed in 1967, the band cultivated a following during the 1970s and achieved significant commercial success throughout the 1980s. The group's best-selling album, Hi Infidelity (1980), contained four US Top 40 hits and sold more than 10 million copies. Over the course of their career, the band has sold more than 40 million records and has charted 13 Top 40 hits, including the number ones "Keep On Loving You" and "Can't Fight This Feeling". REO Speedwagon's mainstream popularity waned in the late 1980s, but the band remains a popular live act.