The Prince's Palace of Monaco is the official residence of the Prince of Monaco. Originally founded in 1191 as a Genoese fortress, during its long and often dramatic history it has been bombarded and besieged by many foreign powers. Since the end of the 13th century, it has been the stronghold and home of the Grimaldi family who first captured it in 1297. The Grimaldis' power was often derived from fragile agreements with their larger and stronger neighbours. Thus while the sovereigns of Europe were building luxurious, modern Renaissance and Baroque palaces, politics and common sense demanded that the palace of the Monaco rulers be fortified. The Grimaldis' occupation of their palace is also unusual because, unlike other European ruling families, the absence of alternative palaces and land shortages have resulted in their use of the same residence for more than seven centuries. During the 19th and early 20th centuries, the palace and its owners became symbols of the slightly risqué glamour and decadence that was associated with Monte Carlo and the French Riviera. Glamour and theatricality became reality when the American film star Grace Kelly became chatelaine to the palace in 1956. In the 21st century, the palace remains the residence of the current Prince of Monaco.