Her black and white maxi dress is so popular, it keeps selling out but its currently in stock in most sizes, for £79. It's such a classic print and shape, I'd shop before it's gone.

The two-tone dress, left, alongside an ivory and black version, made by Roman Originals, that has sparked a global debate on Twitter over what color it is on display in Birmingham, England on Feb ...

Millions joined in on the viral debate about the color of this $77 lace dress, made by British retailer Roman Originals. Some saw it as blue and black while others saw it as white and gold.

Below, we've highlighted a handful of stand-out pieces from Knightley's Black Doves outfits that are still in stock, along with look-alikes of items that have sold out.