06/05/2015 04:34 EDT | Updated 06/05/2015 04:59 EDT

Kate Upton Just Made Granny Panties Sexy Again

Granny panties were already hot ... but Kate Upton just made them sexy again.

As young women cast away thongs in favour of high-waist underwear, the former Sports Illustrated cover girl rocked a yellow pair in a steamy pic she posted to her Instagram account on Thursday.

The snap comes after a New York Times article said sales of thongs had dropped seven per cent over the past year, while fuller underwear, including boy shorts and high-waist briefs, had grown by 17 per cent.

"Most lingerie is designed to appeal to a man," Julia Baylis, designer at clothing label Me and You, which is responsible for granny panties with the word "feminist" printed on them, told the newspaper.

"For us, that's not even a consideration. This is underwear you wear totally for you."

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