Grace Kelly, Princess of Monaco and Oscar-winning Hollywood actress, had to sacrifice her millions to marry a prince INSIDER 4 hrs ago Actress Grace Kelly lost her Hollywood millions after she married Prince Rainier III of Monaco. A new documentary says that the Oscar winner paid a $2 million dowry to the House of Grimaldi. When she died, Kelly had $10,000 to her name and a rundown family cottage in Ireland. In 1956, Grace Kelly was on track to earn her place among Hollywood royalty. After winning an Academy Award for best actress for her role in "The Country Girl" (1954), she traded her l...