Popsugar Fashion Lily James Lily James Blue Hellessy Dress 2018 One Look at Lily James's Silky Dress Will Convince You She's a Mermaid February 17, 2018 by Lucy Jane First Published: February 16, 2018 View On One Page Photo 7 of 13 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 7 Topshop Puff-Sleeve Wrap Dress by Boutique Topshop Puff-Sleeve Wrap Dress by Boutique ($170) Boutique Dresses from us.topshop.com Buy Now Previous Next Start Slideshow Lily JamesWinter FashionRed CarpetAll AnglesDressesShoppingBritish CelebritiesGet The LookWinter