NEW YORK, NY - FEBRUARY 21:  Christopher O'Neill, husband of H.R.H. Princess Madeleine of Sweden speaks at a press conference to discuss the details of the birth of his newborn daughter at NewYork-Presbyterian/ Weill Cornell Medical Center on February 21, 2014 in New York City. The 31-year-old Princess, whose full title is Madeleine Therese Amelie Josephine, Princess of Sweden, Duchess of Halsingland and Gastrikland, is fourth in line to the throne of Sweden. She married US-British banker Christopher O'Neill in June, and the couple announced in September that they were expecting their first child. "The Office of the Marshal of the Realm is delighted to announce that H.R.H. Princess Madeleine gave birth to a daughter on February 20, 2014 at 10.41 pm local time New York," the Swedish court said. "Both mother and child are in good health."  (Photo by Jemal Countess/Getty Images)