As co-host of the year’s most stylish event, it was her chance to shine.
And did she ever. British actress Carey Mulligan positively sparkled on Monday night as she graced the red carpet at a glittering New York party in a Prada dress adorned with thousands of gold pailettes.
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After some encouragement from photographers, the starlet – who married folk musician Marcus Mumford a few weeks ago – shyly showed off her wedding ring too.
But the Oscar-nominated star had competition in the glittering gown stakes at the Metropolitan Museum of Art's Costume Institute Gala.
Karolina Kurkova showed off her incredible supermodel physique in a show-stopping Rachel Zoe dress that sparkled from head to toe.
And Jessica Alba channelled Grecian goddess in gold Michael Kors that fell in beautiful pleats from the empire line waist.
Sofia Vergara, meanwhile, opted for silver in a Marchesa lace column dress.
The modest Modern Family star revealed on the red carpet that her voluptuous curves require her to pay careful attention when choosing a dress.
"I always have to do a few tricks here and there because of my body... These dresses are made for models,” she said.