Crown Princess Mary of Denmark wore a special sapphire brooch for her son Prince Christian's 18th birthday — the same heirloom piece that she wore to his christening in 2006
Who is Queen Mary? All the details of Denmark's new queen
Crown Prince Frederik and Crown Princess Mary's new royal titles
The coming of age of Danish Prince Christian is celebrated today
Historic celebration for Denmark's royals as a future king came of
Queen Mary of Denmark's best fashion moments
A Sweet, Sentimental Sapphire Brooch for Prince Christian's
Royal Guests at Prince Christian of Denmark's 18th Birthday Gala
27 Of Princess Mary of Denmark's Best Royal Fashion Moments
Crown Princess Mary of Denmark's Stunning Brooch Had a Full-Circle
Crown Princess Mary's son featured in new stamp to mark 18th birthday
Prince Christian at 18: new royal title, new salary and next step
Prince Christian of Denmark 18th birthday: Prince Christian
Queen Mary Coronation: Guest Arrivals Live As It Happens - Vogue
Eight Times Kate Middleton Borrowed Queen Elizabeth II's Diamonds