Indian actress Aishwarya Rai arrives for a Giorgio Armani exclusive fashion show in Milan, Italy, Thursday, April 30, 2015. The Milan Expo 2015 world's fair has some heady ambitions: devise a plan to feed the planet, boost Italy's economy and raise Milan's profile. Giorgio Armani has invited VIP guests to an exclusive fashion show on the eve of Expo and opens a museum recounting his 40-year history called Silos, which will remain a fixture. (AP Photo/Luca Bruno)