Riccardo Tisci is an Italian fashion designer. He studied in Italy at the Design Istituto d’Arte Applicata in Cantù until the age of 17, and then graduated from London's Central Saint Martins College of Art and Design in 1999. From Wikipedia
Kourtney Kardashian's Halloween costume choice a likely playful nod to recent spat over accusations of copying style, specially their mutual Met Gala looks, that strained sibling relation.