The Duchess 'recycled' the off-white number from a black tie dinner last May.
Get her red carpet look for less with HELLO! Online's high street finds by clicking on the photo below.
VIEW GALLERY
CLICK ON PHOTO FOR GALLERY
It wasn't just the 31-year-old fashionista's gown that got her style watchers talking.
Her dazzling statement necklace from Zara, priced at £19.99, caused a stir too. The item has sold out online but we've found two similar sparkly numbers as pictured below.
VIEW GALLERY
