Meet the Luxembourg royal family tree – all you need to know about the House of Nassau-Weilburg hellomagazine.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from hellomagazine.com Daily Mail and Mail on Sunday newspapers.
From Greece's Princess Maria-Olympia to Monaco's Charlotte Casiraghi, see the royals who made an appearance at the 77th Cannes Film Festival on the French Riviera