Prince Carl Philip and Sofia Hellqvist will marry in June 2015
The couple say, in a statement, that they are looking forward to a summer wedding when Sweden is 'very beautiful'. They will say 'I do' in the Royal Chapel of the Royal Palace in Stockholm where his younger sister, Madeleine, married Chris O'Neill in June 2013. And he will also share the same wedding planner as Madeleine and big sister, Victoria, with the Royal Household announcing that Hakan Pettersson taking that role - he is head of King Carl XVI Gustaf's staff.
Princess Madeleine marries Chris O'Neill - her brother will wed in the same chapel in 2015
No further details have been released but the official statement starts the countdown to one of the royal events of 2015. And no one is likely to forget the date of this one - lucky thirteen.