Now this is how you do chic ladies and gentlemen! Elle Fanning is all grown up and bringing true Hollywood Glam to the red carpet. She attended the screening of "Once Upon A Time In Hollywood" during the Cannes Film Festival and wore a custom Dior Haute Couture ensemble with a Raphia hat. All eyes were on her and rightfully so, because she looked like perfection from head-to-toe! I'm pretty sure she just made fashion history and we'll be talking about this look for a long time.