Fanning has also experimented with daring looks as her career has ... Fanning walked the red carpet at the 2017 Cannes Film Festival in a green dress with a plunging neckline and low back.

Lively walked the red carpet at the 2014 opening ceremony of the Cannes Film Festival in a burgundy Gucci dress with a thigh-high slit and gold Casadei sandals. For the 2014 "Mr. Turner" premiere ...

The daring dress was divisive and cemented her spot in the world of fashion discourse. She then attended her first Met Gala this year and was said to have been styled in part by Anna Wintour herself.

Backless tops, see-through dresses, and neon outfits have all had their moment in the spotlight. Here's a look at those styles and some of the other boldest pieces ever worn at the prestigious event.

The "A Complete Uknown" actor has worn see-through outfits and looks with plunging necklines. Most recently ... red carpet at the 2017 Cannes Film Festival in a green dress with a plunging ...

The "A Complete Uknown" actor has worn see-through outfits and looks with plunging necklines. Most recently ... Fanning walked the red carpet at the 2017 Cannes Film Festival in a green dress with a ...