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20 Julia Roberts Getty Images After three nominations in a rowRoberts finally took home her first Academy Award for Best Actress for her role in Erin Brokovitch

- Sleeveless mini dress

When youre replicating any piece of clothing that really exists, you have to go to the legal department and see if youre allowed to do it, explains Sid Roberts, who alongside her mother, Amy Roberts, has been at the helm of The Crown s award-winning costume designer team since its third season

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She is wearing a mediumin the dress

Cinched at the waistline, the skirt in an A-line silhouette flares to the knee length