Gwyneth Paltrow

It takes a lot to get red carpet ready even if you are People's Most Beautiful Woman in the World. But when Gwyneth Paltrow wore a see-through dress to the Iron Man 3 premiere this past week, she had to go to some very extreme measures.

"I kind of had a disaster," Paltrow, 40, told Ellen DeGeneres on her talk show. "I was doing a show and I changed there, and I went and I couldn't wear underwear. I don't think I can tell this story on TV. Well, let's just say everyone went scrambling for a razor and so I went from being the most beautiful to the most humiliated in one day."

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At first, an amused DeGeneres seemed a little confused. "It was just the side of your leg," she said. "What is going on with you?"

Paltrow quickly cleared up — zing! — any misunderstanding. "I work a '70s vibe, if you know what I mean!"

Watch the awkward exchange here:

What do you think about Paltrow's very revealing dress? What do you think about her overshare on Ellen?