Deluxe Princess Fiona Costume - Standard - Dress Size 10-12 Deluxe Princess Fiona adult costume includes green dress with belt and headpiece with crown & ears. Our Deluxe Princess Fiona comes in adult size Standard. The Deluxe Princess Fiona costume for women is available in size Standard only. This Deluxe Princess Fiona is an officially licensed Shrek costume. Princess Fiona wig is sold separately.