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Mila Kunis: Justin Timberlake Sex Scene 'Uncomfortable' (VIDEO)

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Mila Kunis's sex scene with Justin Timberlake made for uncomfortable conversation when the star sat down with Ellen Degeneres to discuss her upcoming film, 'Friends With Benefits.'

Kunis told the host that filming the scene meant that she and Timberlake, "got to have very uncomfortable scenes for two weeks."

It was the attention, she said, that caused her the most problems. "I mean, regardless there's like 150 crew men watching and you see each other's bits and pieces. The whole thing is just wrong," she said.

Kunis also had problems with performing in front of a huge crew while filming another buzzed about sex scene, this one with Natalie Portman in 'Black Swan.'

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