Of course, no look is complete for this Cartier ambassador without some serious bling.

The jewels du jour?

A massive diamond tennis necklace.

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Timothee Chalamet at the Paris premiere ofA Complete Unknown.

Chalamets stylespanning Haider Ackermann for Tom Ford to Martine Roseis nothing short of modern.

But his co-star,Monica Barbaro, has embraced the complete opposite: Old Hollywood glamour.

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Timothée Chalamet at the Paris premiere ofA Complete Unknown.

Barbaro has put the timeless look to work.

At the Golden Globes she wore a custom blush Dior dress covered in microbeads.

And at the London premiere last night, she opted for a black hooded Schiaparelli number.

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Monica Barbaro at the Paris premiere ofA Complete Unknown.

Monica Barbaro at the Paris premiere ofA Complete Unknown.

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PARIS, FRANCE - JANUARY 15: (L-R) Edward Norton, Timothée Chalamet, James Mangold and Monica Barbaro attend the “Un Parfait Inconnu - A Complete Unknown” Premiere at Le Grand Rex on January 15, 2025 in Paris, France. (Photo by Stephane Cardinale - Corbis/Corbis via Getty Images)