Moore, 65, is best known for her performances in films such as Boogie Nights, Children of Men, and Crazy, Stupid, Love.
Moore’s first campaign highlights the Moderniste collection, designed by founder Valérie Messika to mark the brand’s 20th anniversary. The collection features octagonal pavé-set bangles, rings, hoop earrings, and bolo tie necklaces in white and yellow gold.
“As an actress, there are times when jewellery is part of a costume, a signifier for who a character is and how they want to be perceived,” she said.
“But then there is the jewellery that is deeply personal. You can have so many different relationships to it.”
Moore previously wore Messika in the film Gloria Bell and at the brand’s 20th anniversary cocktail in October 2025 at New York’s Frick Collection.
Moore’s appointment follows a wave of celebrity collaborations with jewellery brands in recent weeks, including Natalie Portman (Tiffany & Co.), Miranda Kerr (Michael Hill International), and Ariana Grande (Swarovski).
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