Cut from sumptuous satin, this ankle-skimming maxi slip skirt is the master of style deception. The elasticated waist makes it a throw-on-and-go essential, ideal for impromptu nights when your outfit still needs to look considered. Slip on with an oversized knit, tucked in for a nod to Sienna's signature high-low aesthetic. M&S X SIENNA MILLER Womens M&S X SIENNA MILLER Satin Maxi Slip Skirt