Roxette singer Marie Fredriksson passed away Monday at the age of 61 after a 17-year battle with cancer,USA Today reports. Along with bandmate Per Gessle, Fredriksson formed the pop duo in 1986, and made the charts with uber-'80s hits like "Listen to Your Heart," "The Look" and Pretty Woman's "It Must Have Been Love." In a statement on the band's website, Gessle wrote, "Thanks for painting my black and white songs in the most beautiful (colors). You were the most wonderful friend for over 40 years."