Worst dressed celebs: Aishwarya Rai Bachchan, Katrina Kaif missed the memo with their fashion outings

While the 72nd Festival de Cannes gave us a lot to gush over, it also left us with some high-brow moments. From Aishwarya Rai Bachchan, Hina Khan to Diana Penty and Hina Khan, these ladies failed the fashion test.