Topless and wearing nothing but a underwear. If only Posen's hand weren't covering Klum's breasts!!!
"I need something to wear for tonight's @projectrunway @lifetimetv" the German beauty wrote as a caption.
A mother of four, Klum is no stranger to taking her clothes off on the Internet.
Last summer, the model posed in a series of HOT photos on Instagram, one of which showed her hugging a palm tree in just her bikini bottoms and another of which was re-run from 2009 and depicted Heidi Klum nude.
In related news, we really, really, really like Heidi Klum.
She joins a long list of celebrities who have bared their torsos for all to enjoy:
Heidi Klum [on her marriage proposal]: [Seal] took me by helicopter. He had an igloo built there, and theyâ€™d brought up everything: a bed with sheets inside the igloo, rose petals everywhere, candles. Very, very romantic! There was food and champagne, and then the helicopter left. It was a little scary, too, because youâ€™re so cut off from the world. No trees, nothing - it was hard-core. But I was ecstatic. I loved it. It was wonderful.