LONDON, ENGLAND - JULY 19: Dum Dum Donutterie and JUST EAT have created the world's most expensive "Cronut", a doughnut hybrid for £1,500. The Luxury Zebra Cro includes Saffron Infused Butter Croissant Dough, Cristal Rosé Champagne Caviar, Gold Leaf, Tahitian Gold Vanilla Beans and rare Amedei Porcelana Chocolate. The Cro has been created to celebrate the launch of the Just Eat Food Fest taking place at Red Market, Shoreditch from 22 - 24 July and the Luxury Cro will be available to buy on request at the Food Fest and on Just-Eat.co.uk over the weekend. For more information about the Just Eat Food Fest, visit www.just-eat.co.uk/london/foodfest  (Photo by John Phillips/Getty Images for JUST EAT)