Popsugar Fashion Celebrity Fashion Sienna Miller's Yellow Slip Dress Sienna Miller Looked Like an Actual Ray of Sunshine at the Tory Burch Show 17 February 2018 by Morgane Le Caer View On One Page Photo 14 of 16 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 14 PrettyLittleThing Mustard Satin Belted Slip Dress PrettyLittleThing Mustard Satin Belted Slip Dress (£15, originally £20) PrettyLittleThing Dresses from prettylittlething.com Buy Now Previous Next Start Slideshow Celebrity FashionBritish CelebritiesShoppingGet The LookWinter FashionFashion WeekTory BurchFront RowNew York Fashion WeekDresses