15% Off Select Occasion Wear: Only items found on the Royal Wedding 2018 Specials page are eligible for the discount. When shopping, look for items with the "Take 15% off" indicator. Use promo code ROYAL2018. Discount will be applied at checkout. Valid on new orders only, whilst supplies last. Offer is not valid on previous purchases or exchange orders and cannot be combined with any other offer. The offer is valid 12:00 am BST Thursday, 17 May until 11:59 pm BST Sunday, 20 May 2018.