When Deepika Padukone steps onto the Cannes red carpet, the world entirely stops to take notes. Over the years, the superstar hasn't just worn clothes at the French Riviera; she has delivered monumental fashion statements. But among the endless tulle and dramatic trains, there’s one specific garment she keeps coming back to, elevating it on the global stage time and time again: the six-yard saree. If you look closely at her archive, her Cannes s…