Bella Hadid accidentally became a pioneer of the Free The Nipple movement on Tuesday after her gown slipped down on the Alexandre Vauthier catwalk in Paris.

The 21-year-old is no stranger to embracing the riskiest of fashion designs but probably figured that her nipples would remain safely under wraps with the help of a mini-dress paired with a giant ruffled gown.

'Let's get checking out an update from MTV News...'

But in spite of all the excess fabric on the design, Bella’s left nipple defied all the odds and popped through regardless.Oh look, there it is.

Proving that she isn’t going to be fazed by showing a little extra flesh, Bella took to Instagram after the show without any reference to the slip: “Thank you for letting me close another one of your beautiful shows @alexandrevauthier You know how much I love you!!! Forever!”

This isn’t the first time she’s thrown caution to the wind and done away with a braafter rocking the catwalk in a totally sheer top at the Alexandre Vauthier show last July.

Not to mention that gorgeous (but functionally useless) bodiced dress she wore at the Christian Dior haute couture party back in 2017.Nipple or not, there’s no doubt that Bella is killing the catwalk in those rhinestone encrusted shades.