The likes of Alexa Chung, Sienna Miller, and Keira Knightley all keep wearing this party dress also, showing it can look totally different every time. The silhouette always remains the same, however, it can look unique, as it is available in dozens of prints, colorways, and fabrics. The brown corduroy version looks like a totally different dress to the red ruffled velvet version. Keep scrolling to see how Alexa, Sienna, and Keira are wearing their Festival dresses and to shop our edit of the best below.