Scarlett Johansson went on The Tonight Show to talk with Jay Leno about her fan favorite catsuit costume. She claims its actually more like a wetsuit. Leno was very intrigued, as we all are, and asked, Does it breathe. Are you sweating in this thing. Scarlett admits It gets a little sticky in there. It was pretty much like wearing sweaty pajamas. And Scarlett has previously revealed she wears nothing underneath it
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