Phase Eight Women's Embellished Long Sleeve Jumpsuit - 10PET - Black - Available at M&S
This elegant jumpsuit from Phase Eight is the perfect alternative to a party dress. It's designed in a regular fit, with a flattering cinched waist and a wide-leg shape. The bodice is framed by long sleeves, and features a chic cowl back with a tie detail. This piece fastens with a neat zip.