Second born child of Caroline, Princess of Hanover and Stefano Casiraghi who was eighth in line to the throne of Monaco. She has had a career in journalism and as an equestrian.
Her mother moved the family to Saint-Rémy-de-Provence in France after the death of her father who died in a boating accident when she was only four.
She was part of a top 10 list of the world's most eligible young women when she was just 16 years old. In 2006, she was named to Vanity Fair's International Best Dressed List.
She has brothers named Andrea and Pierre. She was in a relationship with Gad Elmaleh from 2011 to 2015. In March 2018, she got engaged to Dimitri Rassam.
Her grandparents were Prince Rainier III and Princess Grace of Monaco.