THE LITTLEST PRINCE: It’s been a busy summer for Princess Marie-Chantal of Greece. Living in Los Angeles, the heiress is getting ready to open her seventh Marie-Chantal store, in Beverly Hills, in the fall. But more importantly, she gave birth on June 29 to her fifth child with her husband Prince Pavlos. Prince Aristidis Stavros weighed in at 8 pounds, 10 ounces and 21.7 inches long. He joins siblings Princess Maria-Olympia, 11, Prince Constantine Alexios, nine, Prince Achileas Andreas, seven, and Prince Odysseas-Kimon, three.