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The best jewellery at the 2020 Oscars

The stars were out in force at Hollywood’s glittering annual event and there were some equally spectacular diamonds on display this year, too. From Renée Zellweger's giant cocktail ring and Salma Hayek’s shimmering headpiece to Mindy Kaling’s shining necklace and Timothée Chalamet’s perfect pin, here are the most spectacular looks from the red carpet...