Sweden's Prince Carl Philip is engaged to his longtime girlfriend Sofia Hellqvist.

The 35-year-old prince, who began dating former model Hellqvist in 2010, announced the news on Friday (27Jun14) as the pair posed for official engagement photos at royal residence Drottningholm Palace.

The couple is planning to wed next summer (15).

Prince Carl Philip, the son of King Carl XVI Gustaf and Queen Silvia, is third in line to the Swedish throne behind his older sister Crown Princess Victoria and his niece Princess Estelle.