The best and worst looks billionaires have ever worn at the Cannes Film Festival

Rihanna at an "Okja" screening during the 2017 Cannes Film Festival.Andreas Rentz/Getty Images

• The Cannes Film Festival regularly draws billionaires to its parties and red carpets in France.
• Some of them, like Rihanna, have attended in stunning fashion over the years.

The Cannes Film Festival isn't just for movie stars and film directors.

It's also an event for billionaires.

Over the past decade, wealthy celebrities like Kim Kardashian and businessmen like Jeff Bezos have attended parties and red carpets at the French festival.

And while some of their outfits have stunned and made for memorable fashion moments, others have missed the mark entirely.

Here's a look at the best and worst looks billionaires have worn at the Cannes Film Festival over the years.