Shania Twain and Frédéric Thiébaud – 10 years

Shania Twain is a Canadian singer and songwriter and was one of the biggest ’90s stars. She has sold 100 million records. She is currently running a show at Zappas Theatre called The Las Vega Residency.

Shania was once married to Robert Lange but split after he allegedly had an affair with Twain’s best friend—Marie-Anne Thiébaud—after 14 years, in 2008. On December 20, 2010, it was reported that Twain was engaged to Swiss Nestlé executive Frédéric Thiébaud, the ex-husband of Marie-Anne. They were married on January 1, 2011, in Rincón, Puerto Rico.