It may have been Bella Hadid's first time at the Cannes Film Festival, but the 19-year-old model handled it like a red carpet veteran.

Wearing a sexy red silk dress with a hip-high slit, which nearly caused a wardrobe malfunction or two, the sister of Gigi Hadid had everyone doing a double take in her Brigitte Bardot-inspired look.

But she wasn't alone! Check out the gallery for more of the best dressed Hollywood stars taking over the French Riviera!