The Ritz Paris is a landmark in its own right and if the walls could gossip, oh the stories they would tell. Ernest Hemingway spilled drunken tales there, Scott Fitzgerald’s Tender is the Night features it, Audrey Hepburn speeds across town there in How to Steal A Million and of course, it was the last location to appreciate Princess Diana’s beauty. During World War II, and never one to be outdone, Coco Chanel lived at the Ritz and so it is only fitting that after 3 years of renovations, the launch should include a luxury sanctuary spa named Chanel Au…