Marie Fredriksson passed away on the morning of the 9th of December as a result of a previous disease, manager Marie Dimberg said in a press release as quoted by the tabloid Verdens Gang.
"With great sadness, we announce that one of our greatest and most beloved artists is gone", she said.
Social media users have taken to Twitter to express their sorrow over the singer's death.
Fredriksson was best known for her pop duet Roxette with Per Gessle. The duo was formed in 1986 and has sold over 75 million records throughout the world.
Roxette held several concerts in Norway as recently as the summer of 2015.