She was regal in stature and possessed a stellar height of 6 feet and went into modeling which led her venture into acting in movies as well. She was deemed as New York's New Supermodel by 1975 issue of American Vogue.
Margaux had appeared in covers for esteemed magazines such as TIME, Harper's Bazaar, Vogue, Cosmopolitan to name a few.
Her nationality as well as ethnicity is American. She died during the 90's in her middle age due to a drug overdose and her net worth was estimated to be around $2 million.