'It Must Have Been Love' Roxette singer dies aged 61

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Marie Frediksson had been diagnosed in 2002 with a severe brain tumour but went into remission and started to tour again. (Photo: AFP)

The lead singer of Swedish pop duo sensation Roxette, Marie Fredriksson, who shot to global fame in the 1990s with hits like "It Must Have Been Love", has died aged 61 after a long fight with cancer, her manager said Tuesday.

The mother of two, who died on Monday, had been diagnosed with a brain tumour in 2002 but went into remission and made a musical comeback a few years later.

By 2016, however, the illness had taken its toll and doctors advised her to stop touring.

Announcing her death, Dimberg Jernberg Management described Fredriksson as "a wonderful person with a huge appetite for life".

"Marie leaves us a grand musical legacy," the company said in a statement.

"Her amazing voice -– both strong and sensitive -– and her magical live performances will be remembered by all of us who was lucky enough to witness them."

Fellow band member and guitarist Per Gessle farewelled his long-term friend in a heartfelt statement, saying: "Things will never be the same.

"Thank you, Marie, thanks for everything. You were an outstanding musician, a master of the voice, an amazing performer. Thanks for painting my black and white songs in the most beautiful colours," Gessle said.

"You were the most wonderful friend for over 40 years."

- 'Unlikely second coming' -

Born in the southern Swedish village of Ossjo, Fredriksson kickstarted her career in the nearby city of Halmstad where she met Gessle in the 1980s.

The pair formed Roxette in 1986 and went on to sell more than 80 million albums worldwide.

After achieving national success with the release of their first album, they made their international breakthrough in 1989 with catchy pop song "The Look".

The song shot to number one on the US Billboard that same year and would later be followed by "Joyride", "Listen To Your Heart" and "It Must Have Been Love".

The heartbreak ballad was used in the soundtrack of Hollywood rom-com "Pretty Woman" starring Richard Gere and Julia Roberts.

The aggressive treatment for her brain tumor forced Fredriksson to take a break but by 2009, Roxette were back on tour and in the recording studio.

"The unlikely second coming of Roxette resulted in several new albums, and tours that again put the duo in front of screaming, smiling and crying crowds all over the world," Dimberg Jernberg Management said.

It added that the funeral would take place with only the closest family members present, including her husband Mikael Bolyos and her children Josefin and Oscar. It did not give a date.