Heidi Klum must be really proud of the 30 gold medals the United States have bagged so far in the Olympics.

That's the only reason why we can imagine that she's tweeted an old snap of herself flashing a pair of gold knickers.

heidi klum

The former Victoria's Secret model has been digging deep into her photo archives, and posted this vintage pic to her Twitter page, alongside the caption "whoopsie".

The cheeky snap shows her bending over into a pink car wearing a short skirt and blue neon heels with an 80s bouffant style hair-do.

Hedi recently started a Twitter craze when she tweeted a picture of herself sunbathing, which has since become known as body surfing.

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