If there is one celebrity who understands the drama, fantasy and larger-than-life energy of Cannes better than anyone else, it has to be Aishwarya Rai Bachchan. And just when people thought they had already seen her biggest fashion moment this year, she arrived at the closing ceremony and reminded everyone why her Cannes appearances continue to live rent-free in pop culture history.For the final red carpet appearance of the 79th Cannes Film Festival, Aishwarya stepped out in a pearlescent white couture trouser suit by Cheney Chan - and honestly, it felt less like a regular celebrity outfit and more like a full cinematic moment.