Shania Twain has gotten hitched!

The country superstar and Frédéric Thiébaud got married in Puerto Rico on New Year's Day, her manager Jason Owen tells PEOPLE exclusively.

"They were married at sunset in Rincon, Puerto Rico, in front of 40 of their closest family and friends," says Owen.

The couple, who confirmed their engagement last month, became romantically involved in 2009, finding solace with each other after their spouses allegedly had an affair, breaking up both marriages.

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