Cate Blanchett's Oscars Outfit Cost $18.1 Million

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The Academy Award-winning actress hit the March 2 carpet wearing the night's most expensive ensemble, experts estimate.

Among the many memorable Oscar outfits to grace the red carpet on March 2, Cate Blanchett's ensemble reportedly cost the most, at an estimated $18.1 million.

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According to Vogue UK, her Armani Prive gown was worth $100,000 and her Chopard jewelry -- including earrings with 62 opals, plus a diamond bracelet and ring -- cost approximately $18 million. Blanchett was styled by Elizabeth Stewart, who appeared at No. 1 on The Hollywood Reporter's 25 Most Powerful Stylists of 2014.

Charlize Theron, who was dressed by Leslie Fremar, wore the second most expensive outfit (approximately $15.89 million) of the night with a Dior dress and Harry Winston jewelry, Australian Vogue reports. Sandra Bullock (styled by Stewart) came in third, with her Alexander McQueen dress and Lorraine Schwartz baubles costing $8.24 million.

Margot Robbie, dressed in a Saint Laurent gown and Forevermark jewels, followed, with $8.012 million; and Jennifer Garner, in an Oscar de la Renta dress and Forevermark jewelry, with $5.025 million. Robbie was styled by Cristina Ehrlich, while Garner was dressed by Rachel Zoe.