(L-R) Sweden's King Carl Gustaf, Queen Silvia and Prince Carl Philip wait prior to the Te Deum service for the newly born Prince Alexander (unseen) in the Church of the Royal Palace in Stockholm, Sweden, on April 22, 2016.

Prince Carl Philip's and Princess Sofia's son was born on April 19, 2016. / AFP / TT NEWS AGENCY / Pontus Lundahl/TT / Sweden OUT        (Photo credit should read PONTUS LUNDAHL/TT/AFP/Getty Images)