Princess Olympia meets Annie Leibovitz and more royal highlights of the week

Charlotte Casiraghi mingles with the stars – and the Greek royals rub shoulders with star photographer Annie Leibovitz – in this week's royal roundup. Click through for all the must-see highlights! Photos: Getty Images, Instagram

Princess Olympia and Prince Achileas of Greece had a brother-sister moment on a cloudy in Oxfordshire, England.Photo: Instagram/@olympiagreece

Helping female entrepreneurs was top of Queen Rania of Jordan's list. She shared this pic on Instagram, captioning it: 'Listening to young Jordanian entrepreneurs share their success stories about how they made it in the startup world. #Women #Success #Proud #Jordan #LoveJO.'Photo: Instagram/@queenrania

Charlotte Casiraghi shared a laugh with actor Hugh Jackman alongside Montblanc CEO Jerome Lambert and Taiwanese actress Gwei Lun Mei in Geneva, Switzerland. Photo: Getty Images

Queen Mathilde of Belgium was a lady in red at the opening ceremony of the World Economic Forum in Davos, Switzerland, where heads of states and business focused on 'Mastering The Fourth Industrial Revolution.'Photo: Getty Images

Celebrity photographer Annie Leibovitz got in front of the lens as she met with Prince Pavlos of Greece and his daughter Princess Olympia. Photo: Instagram/@mariechantal22

Queen Letizia of Spain suited up with a smile for the 'FITUR' International Tourism Fair in Madrid.Photo: Gtres

Princess Stephanie of Monaco got a kiss on the hand while her brother Prince Albert and children Camille Gottlieb and Louis Ducruet looked on during the 40th International Circus Festival in Monaco. Photo: Getty Images

Princess Elizabeth Von Thurn Und Taxis bid farewell to her New Zealand vacation with this stunning photo. 'So long land of the fairies, pixies and hobbits it's been 'Photo: Instagram/@elisabethtnt

'Good morning, Your Highness!' Queen Letizia of Spain was greeted by Spanish policemen as she attended a meeting at the Spanish Society Against Cancer in Madrid.Photo: Gtres