Marie-Anne Thiébaud is the former secretary and manager of singer Shania Twain. She has lived an extremely controversial life. Her previous marriage and professional life changed overnight because of her scandal. Her relationship with singer Shania Twain has been a subject of extreme scrutiny. While she has since remained out of the public eye, her affair has again become a matter of interest. This is because of Shania’s interview with Jamie Lang for his podcast “Great Company with Jamie Lang”. This blog will trace the timeline of Marie-Anne Thiébaud marriage, her affair, and much more.
Marie-Anne Thiébaud Wikipedia
Marie-Anne Thiébaud was born in 1971 and raised in the La Tour-de-Peilz region of Switzerland. She is a Swiss citizen who is ethnically white. Having lived there her entire life, she started working as a secretary and manager for the famous Canadian singer, Shania Twain. She has been married twice and has a daughter. Thiébaud is reportedly a Christian woman.
| Legal Name | Marie-Anne Thiébaud |
| Date of Birth | 1971 |
| Marie-Anne Thiébaud Zodiac Sign | Unknown |
| Place of Birth | La Tour-de-Peilz, Switzerland |
| Current Residence | Switzerland |
| Education | Unknown |
| Qualification | Unknown |
| Profession | Former secretary, manager |
| Marie-Anne Thiébaud Nationality | Swiss |
| Marie-Anne Thiébaud Ethnicity | White |
| Parents | Unknown |
| Sibling(s) | Unknown |
| Religion | Christianity |
| Marital Status | Married |
| Partner | Frédéric Thiébaud (divorced 2008)Robert “Mutt” Lange |
| Children | Johanna Thiébaud |
Marie-Anne Thiébaud Age
Marie-Anne Thiébaud age is 54 years (as of 2025). While her complete date of birth is not public knowledge, her birth year is 1971.
Marie-Anne Thiébaud Height and Physical Appearance
Marie-Anne Thiébaud height is 5’11’’, that is 5 feet and 11 inches. She is a white woman with dark brown eyes and dark brown hair.
| Attributes | Details |
| Marie-Anne Thiébaud Age | 54 (As of 2025) |
| Marie-Anne Thiébaud Height | 5’11’’ |
| Weight | Unknown |
| Hair Color | Dark Brown |
| Eye Colour | Dark Brown |
Marie-Anne Thiébaud Early Life and Family
Thiébaud’s life has largely been a secret. She has not shared any details about her personal life at all. Only her professional life has been spent in the public eye.
Marie-Anne Thiébaud Education
Thiébaud has spent her entire life in Switzerland and has completed all of her education there. However, the details of her educational qualifications are not public knowledge.
Marie-Anne Thiébaud Career
Thiébaud began her career in 2000. She worked as a personal secretary to Canadian singer Shania Twain. Twain had moved to Switzerland with her family. There Thiébaud was employed to manage the family’s new home, the Chateau de Sully. Thiébaud managed the entire household as well as Twain’s musical career. Her duties also extended to Shania’s family. She reportedly also took care of her son during the singer’s busy schedule. In the 2000s, Shania and Thiébaud were often seen together at the singer’s professional and personal events.
Moreover, due to working closely together for so many years, Thiébaud and Twain became close friends. Their relation has often been described as that of best friends and close companions.
Marie-Anne Thiébaud First Marriage
Marie-Anne Thiébaud first husband is Frédéric Thiébaud. He is a Swiss businessman who has worked in companies such as Nestle. The pair reportedly started dating and later got married in 2001. They have a daughter together named Johanna Thiébaud.
But their marriage broke down in 2008, when it came to light that she was cheating with Twain’s then-husband, Robert Lange.
Marie-Anne Thiébaud Second Marriage
Marie-Anne Thiébaud’s second husband is Robert “Mutt” Lange, who is her employer Shania Twain’s husband. Robert is a producer and songwriter from South Africa. He has produced many albums for other singers, including his ex-wife, Shania Twain. Both of them became the center of controversy for their alleged affair.
The news of the affair between Thiébaud and Twain’s then-husband, Mutt Lange, began when Twain and Lange filed for a divorce. While both Thiébaud and Lange denied speculations about their affair, the rumors about the affair persisted. However, their wedding ceremony in the summer of 2010 confirmed the rumors. The two have reportedly settled down in Switzerland, where they live a secluded life.
Marie-Anne Thiébaud Affair Controversy
In the year 2008, Shania Twain and Robert “Mutt” Lange broke up their 15 years long marriage. It was revealed that it was his affair with Twain’s long-time best friend, Marie-Anne Thiébaud, that was the final straw for their marriage. Thiébaud herself was also undergoing her divorce proceedings with her then-husband, Frédéric Thiébaud.
In an ironic twist, Shania Twain and Frédéric Thiébaud fell in love and married each other only a few months after Marie-Anne and Robert’s wedding. Often labelled as a “husband swap” in the news, Shania married Frédéric in a private ceremony on 1st January 2011, in Puerto Rico.
Mutt Lange Marie-Anne Thiébaud Now
Marie-Anne Thiébaud and Mutt Lange are still together. After both their respective divorces, they married in the year 2010. They have since retreated from the limelight and settled down in Switzerland.
Marie-Anne Thiébaud Net Worth
Marie-Anne Thiébaud net worth is estimated to be about $500,000. The estimate is mostly because of her previous employment with Shania Twain. However, since she has retreated from public life, recent details are not available.
Marie-Anne Thiébaud Social Media
Since the news of the affair was made public, Anne-Marie has chosen to live a more private life. She currently has no public social media profiles, as she keeps away from the spotlight.
FAQ
Marie-Anne Thiébaud age is 54 years (as of 2025).
Marie-Anne Thiébaud Instagram does not exist, as she has maintained a life away from the spotlight.
Yes, Marie-Anne Thiébaud is still married to Robert “Mutt” Lange.
Marie-Anne Thiébaud net worth is estimated to be about $500,000.
Marie-Anne Thiébaud birthday has not been publicly revealed. However, she was born in 1971.
Yes, Marie-Anne Thiébaud has one child with her ex-husband Frédéric Thiébaud. Her daughter is named Johanna Thiébaud.
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