Melanie Laurent (left), Charlize Theron (center), and Marion Cotillard (right) appearing in "Dior" at the 68th Cannes Film Festival / (C) Getty Images

Charlize Theron (Dior) at the 68th Cannes Film Festival / (C) Getty Images

Marion Cotillard at the 68th Cannes Film Festival / (C) Getty Images

Noomi Rapace (Dior) at the 68th Cannes Film Festival / (C) Getty Images

Angelababy (Dior) at the 68th Cannes Film Festival / (C) Getty Images

Salma Hayek (Yves Saint Laurent) at the 68th Cannes Film Festival / (C) Getty Images

Sophie Marceau (Yves Saint Laurent) at the 68th Cannes Film Festival / (C) Getty Images

Lily Donaldson (Yves Saint Laurent) at the 68th Cannes Film Festival / (C) Getty Images

Jeon Do-yeon (Yves Saint Laurent) at the 68th Cannes Film Festival / (C) Getty Images

Sienna Miller (Valentino) at the 68th Cannes Film Festival / (C) Getty Images

Sienna Miller (Sonia Rykiel) at the 68th Cannes Film Festival / (C) Getty Images

Natalie Portman (Lanvin) at the 68th Cannes Film Festival / (C) Getty Images

Diane Kruger (Prada) at the 68th Cannes Film Festival / (C) Getty Images

Sienna Miller (Valentino) at the 68th Cannes Film Festival / (C) Getty Images

Melanie Laurent (Dior) at the 68th Cannes Film Festival / (C) Getty Images

Sophie Marceau (Yves Saint Laurent) at the 68th Cannes Film Festival / (C) Getty Images

Diane Kruger (Chanel) at the 68th Cannes Film Festival / (C) Getty Images