Taking to social media, Prince William , 43, and Catherine, 44, shared a sweet photo with their children, a decade and a half after they exchanged vows at Westminster Abbey on April 29, 2011.
The Princess of Wales channelled coastal fashion in a £298 striped cashmere sweater and white trousers while her husband sported a £90 shirt for their anniversary photo.
Nato air strikes were intensifying in Libya, a new television show called Game Of Thrones had just premiered - and Prince William finally made Catherine Middleton his bride.