Did Another Woman Come Between Shania Twain & Husband?

LOS ANGELES, Calif. -- After 14 years of marriage, another woman may have come between Shania Twain and her husband, Robert "Mutt" Lange, several sources reportedly told People.

According to People, sources "close to the situation" claim a woman named Marie-Ann Thiebaud, a longtime secretary and manager of the couple's chateau in Switzerland, was romantically involved with Lange.

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"Mutt and Marie-Anne left their spouses for each other and are still in a relationship," People quoted a source as saying.

However, Lange, a music producer, denies the claim.

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"It's absolutely not the reason [for the separation from Twain]," he told People in regards to the rumored affair. "It's not true."

Thiebauld could reportedly not be reached for comment.

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When contacted by People following news of the split, the notoriously reclusive Lange said it was "an unfortunate thing" and attributed the separation from Twain to "just a growing apart, that's all."

Shania, 42, and Robert, 59, married on December 28, 1993. They have a six-year-old son named Eja.

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Another source told People Twain, who launched herself into music superstardom with the 1997 hit "You're Still The One," has been left "devastated" by the split.

"This came out of left field," the source said. "She loved him."

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