Prepare to party with the limited-edition collection from M&S X Sienna Miller, available with free delivery over €50. In the collab, rich textures, vintage themes and masculine tailoring combine to create high-low dressing must-haves. Explore suits, dresses, jeans, embellished tops and blouses in luxurious fabrics like velvet, faux fur and leather, adorned with sequins to boost your look
