When it comes to the red carpet at Cannes film festival the flashes don't just come from photographers.
And if it's true that Marceau is pulling these wardrobe stunts on purpose as some have speculated, who knows, maybe this year she'll have to be forced to up her game to ensure she doesn't forfeit her crown.
Here's our list of the best/worst/most memorable moments actresses and one actor bared a little too much on the red carpet.
1. Sophie Marceau famously shows more than intended
3. American supermodel Bella Hadid struggles to keep her dress on
4. Jessica Chastain battles the wind
7. Sacha Baron Cohen aka Borat at the 2006 Cannes Film Festival in that famous green “mankini”.