Léa Hélène Seydoux-Fornier de Clausonne, known as Léa Seydoux, was born on July 1, 1985, in Paris, France. She grew up in a family with strong ties to the arts and business, being the daughter of businessman Henri Seydoux and philanthropist Valérie Schlumberger. Despite her initial aspiration to become an opera singer, she shifted her focus to acting due to her shy nature and social anxiety. She studied acting at Les Enfants Terribles, a French drama school, and the Actors Studio in New York.

Léa Seydoux began her acting career in French cinema, making her debut in the 2006 film "Girlfriends." She gained early recognition with roles in "The Last Mistress" (2007) and "On War" (2008). Her breakthrough came with the film "The Beautiful Person" (2008), for which she received her first César Award nomination.

Her career expanded internationally with roles in high-profile Hollywood films such as Quentin Tarantino's "Inglourious Basterds" (2009), Ridley Scott's "Robin Hood" (2010), and Woody Allen's "Midnight in Paris" (2011).

Her most acclaimed role came in 2013 with the film "Blue Is the Warmest Colour," where she portrayed a lesbian art student. The film won the Palme d'Or at the Cannes Film Festival, and Léa received the Lumières Award for Best Actress.

She continued to gain international attention with her role as Bond girl Madeleine Swann in "Spectre" (2015) and "No Time to Die" (2021). She has also appeared in notable films such as "The Grand Budapest Hotel" (2014), "The Lobster" (2015), and "The French Dispatch" (2021).

In addition to her acting career, Léa Seydoux is known for her work as a model. She has been featured in Vogue Paris, American Vogue, and W magazine, among others. Since 2016, she has been a brand ambassador for Louis Vuitton. Her performances have earned her several awards and nominations, including five César Award nominations, two Lumières Awards, a BAFTA Award nomination, and the Trophée Chopard Award. In 2016, she was honored with the Chevalier of the Order of Arts and Letters, and in 2022, she was made a Knight of the Legion of Honour.