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What has become of Robert Lange? The inside story of the Shania Twain world-shaking cheating scandal The Talks Today

Author

Gabriel Cooper

Updated on March 14, 2026

In the latest trailer for her Netflix documentary, “Not Just a Girl,” Shania Twain discussed the suffering she endured during her divorce from her cheating ex-husband Robert “Mutt” Lange. The celebrated singer, 56, recalled her shock when she found out that Lange, 73, was having an affair with Marie-Anne Thiébaud, her longtime secretary.

In a preview video that was made public on Wednesday, July 20, Shania acknowledged that the divorce was “similarly intense as losing my parents.” Jerry and Sharon Twain, the parents of the musical phenomenon, sadly perished in a car accident in November 1987. “I believed my voice was gone for good. I believed that was it “Added she.

The well-known South African music producer and songwriter first got in touch with the five-time Grammy Award winner Shania in 1993 after hearing her self-titled debut album. Prior to ultimately meeting in person at Nashville’s Fan Fair in June 1993, Robert assured Shania he could write songs and produce music for her over the phone. Soon after, they started dating, and six months later, in December 1993, they got married.

After Shania started working with Robert, who created or co-wrote the majority of the songs on her best-selling second album “The Woman In Me,” she quickly rose to popularity. Many of Shania’s biggest songs, including “Any Man of Mine,” “You’re Still the One,” “Man! I Feel Like a Woman!” and “That Don’t Impress Me Much,” were produced by Robert in the years that followed. Eja was born to the couple on August 12th, 2001. After 14 years of marriage, Shania and Robert divorced in May 2008 after it was discovered that Robert was having an affair with Marie-Anne.

The families of Marie-Anne and Swiss businessman Frédéric Thiébaud were said to be close at the time. After learning of the treachery, which her husband originally denied, Shania was distraught.

In addition to her marital difficulties, the singer was given a dysphonia diagnosis in 2003. She was unable to sing due to a voice issue, and the stress in her personal life made things worse. She connected with Frédéric after learning of their spouse’s infidelity, and as fate would have it, they eventually fell in love.

In an interview with People in 2011, Shania claimed that her romance with Frédéric came as a complete surprise. She admitted to the magazine, “I didn’t want to fall in love again – it was the last thing on my mind.” The singer admitted that she was first hesitant to start dating Frédéric but that she gradually came to terms with her feelings.

I initially turned it down, Shania admitted. However, I was unable to stop Fred from loving me and how simple he is to adore. The couple became a married couple in 2009, and in December 2010, they announced their engagement. On New Year’s Day 2011, they exchanged vows in a private sunset ceremony in Rincon, Puerto Rico.

In her 2011 autobiography, “From This Moment On,” Shania described her turbulent life as “I am truly glad for what I’ve gone through and wouldn’t change a thing.” “Although I must say that I would not want to relive it. It was enough once “Added she. After many throat surgeries and treatment, the “Forever and Always” singer made a comeback to music in 2017 with the release of her fifth studio album, “Now,” marking her first musical appearance in 15 years.

What has become of Robert Lange?

It is believed that Robert and Marie-Anne are married and cohabitating in Switzerland. According to reports, he continues to write and produce music and has been co-parenting their son with Shania. Since the turmoil, Marie-Anne has shied away from the spotlight. Johanna, the daughter of the couple.

On Tuesday, July 26, Netflix will premiere the brand-new documentary “Not Just a Girl,” which explores Shania Twain’s life and ground-breaking career.