Australian Vogue have revealed the most expensive ensembles at this year's Oscars. Take a look to see which stunning screen star takes out the top spot, walking in over $18 million worth of designer wears.

9. Catherine Martin

Jewellery by Tiffany & Co.: $417,000

• Jean Schlumberger arrows brooch - $65,000
• Red spinel ring with spessertites and diamonds in yellow gold - $140,000
• Pink and white diamond hinged bangle in platinum - $95,000
• Cushion-cut pink sapphire and diamond flower ring in platinum - $65,000
• Jean Schlumberger diamond X bracelet in 18k gold and platinum - $52,000

Dress custom made by Prada: around $25,000
TOTAL: $442,000
8. Jessica Biel

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Jewellery by Tiffany & Co.: $525,000

• Round diamond wide bracelet in platinum - $120,000
• Round and princess-cut five row diamond bracelet in platinum - $165,000
• Round and marquee diamond cluster necklace in platinum - $240,000

Dress by Chanel haute couture: around $100,000
TOTAL: $625,000
7. Amy Adams

Jewellery by Tiffany & Co.: $1.4805 million

• Rhodochrosite, lapis and turquoise earrings with diamonds in 18k yellow gold - $35,000
• Square modified brilliant yellow diamond bracelet in 18k yellow gold - $1.4 million
• Fire opal, pink sapphire, yellow diamond, and spessertite bead ring with diamonds - $40,000
• Six diamond band rings in 18k yellow gold - $5,500

Dress by Gucci Première: around $30,000
TOTAL: $1.5105 million
6. Jennifer Lawrence

Jewellery by Neil Lane: $3.5 million

• 100-carat necklace - $2 million
• 10-carat diamond stud earrings - around $500,000
• Diamond and platinum ring - $1 million

Dress by Christian Dior haute couture: around $80,000
TOTAL: $3.58 million
5. Jennifer Garner

Jewellery by Forevermark: $5 million

Dress by Oscar de la Renta: around $25,000

TOTAL: $5.025 million

4. Margot Robbie

Jewellery by Forevermark: $8 million

Dress by Saint Laurent: around $12,000

TOTAL: $8.012 million

3. Sandra Bullock

Jewellery by Lorraine Schwartz: $8.2 million

• Platinum and diamond cluster earrings - $1.8 million
• Bracelet - around $6.4 million

Dress by Alexander McQueen: around $40,000
TOTAL: $8.24 million
2. Charlize Theron

Jewellery by Harry Winston: $15.8 million

• Diamond necklace - $15 million
• Diamond stud earrings - around $800,000

Dress by Christian Dior haute couture: around $90,000
TOTAL: $15.89 million
1. Cate Blanchett

Jewellery by Chopard: around $18 million

• Earrings of 62 opals with a combined 33 carats
• Brown diamond bracelet
• Pear-shaped diamond ring

Dress by Armani Privé: around $100,000
TOTAL: $18.1 million

- www.nzherald.co.nz