Princess Anne’s son Peter Phillips and his Canadian fiancée Autumn Kelly have lifted the lid on their very private, four-and-half-year relationship by giving the first interview ahead of their May 17 wedding to HELLO! magazine.

The 19-page special feature in this week’s issue gives the inside story on the couple’s fairytale romance. Pick up your copy of this week’s HELLO magazine, issue number 1020, on sale from May 6.