Shania Twain smiled radiantly after touching down at New York’s JFK Airport on Thursday following a flight from Switzerland. Perhaps her pearly-white grin was a result of her hunky traveling companion? Sources tell Star that the man is the husband of the woman who allegedly had an affair with Shania’s husband!

If you remember, when Shania and her music producer hubby, Robert “Mutt” Lange, announced the end of their marriage, it was alleged that they split because he was having an affair with Marie-Anne Thiébaud, who was the longtime secretary and house manager at Shania and Mutt’s Switzerland estate. Marie-Anne and her businessman husband, triathlete Frédéric Thiebaud, were close friends and often their two families would vacation and spend holidays together.

Close indeed.

Last month, Shania made her first public appearance since the split by appearing at the Country Music Awards in Nashville. The audience greeted her with a rousing ovation, and Kenny Chesney, whom she presented with an award, remarked on how great the post-split star looked.

Perhaps the true secret to how great she looks is her hot new romance.

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