Hi Infidelity is the ninth studio album by American rock band REO Speedwagon, released on November 21, 1980 by Epic Records. The album became a big hit in the United States, peaking at number one on the Billboard 200. It went on to become the biggest-selling album of 1981, eventually being certified 10 times platinum by the Recording Industry Association of America. Of the four singles released, "Take It on the Run" went to number 5 on the Billboard Hot 100, and the band got their first of two number one hits with "Keep On Loving You".