Apparently, Emmy Rossum was the first celebrity willing to reveal the secrets of sex scenes to Chelsea Handler. The 'Chelsea Lately' host told Rossum that no one has given her a straight answer to a question that's been bothering her for some time.

"How do you protect yourself from getting penetrated by accident?" she asked.

Fans of Rossum's new Showtime series, 'Shameless,' know full well that the actress has already had enough sex scenes to get the process down to a science.

Rossum admitted that it's a "slippery situation," but it can be done. She then went into extensive detail about a triangular piece of equipment she wears to protect herself. But after that, she gave perhaps the more definitive answer. Watch the video after the jump!