vivienne westwood black dress 21 of Westwood's Best Red Carpet Looks of All Time inspired silhouette and a multicoloured orb motif at the hip. Lady Gaga wears a Vivienne

There are so many good ones

But we see them as wildly different colors because were adjusting for the light around them: The dress is an accidental example of an illusion So that brings us to the photo of the famous dress, which Williams says may be an accidental example of such an illusion. Lets look at it again: The key feature of the photo is that its very hard to tell how the dress is being lit

This elegant floor-length dress features a luxurious satin skirt that flows gracefully, paired with a sequin-adorned bodice that adds a refined sparkle

When youre missing this, youre missing a lot of the support, says Sena

She also showed out in a sky-blue number from Alaa and diamond jewelry from Boucheron as she walked the red carpet at the Palais des Festivals alongside Rocky, who looked dapper in a Saint Laurent suit and his Ray-Bans.