Heidi Klum showed off her "Upskirt" panty to her twitter fans

After 20 years as a top model, Heidi Klum has a photo in her album for every occasion.

And the model was obviously feeling cheeky today, tweeting a vintage shot of herself leaning into a car and flashing her gold underwear.

The blonde model gave no hint as to the picture's provenance, writing simply 'whoopsie' in the caption.

Flash back: Heidi Klum tweeted this vintage shot of herself leaning into a car today, writing 'Whoopsie!' (Read more and See more Pictures)