Today, on March 2, Swedish Prince Oscar celebrates his 5th birthday. Oscar Carl Olof, Prince of Sweden, Duke of Skåne, was born on March 2, 2016. as the second child of Crown Princess Victoria and Prince Daniel. Prince Oscar is third in the line of succession to the Swedish throne after his mother and his sister Princess Estelle. The Prince was photographed with Princess Estelle at Haga Castle before his birthday. Swedish Royal Court released these four new photos.