Grace Kelly, To Catch a Thief - Does it get any dreamier than this? The late actress-turned-Princess of Monaco looks every bit the part of royalty in this elegant blue gown. Grace Kelly was such a goddess. Blue Dresses, Vintage Dresses, Blue Dress Outfits, Prom Dresses, Formal Dresses, Vintage Clothing, Princesa Grace Kelly, Glamour Hollywoodien, Maxi Dresses