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But the 25-year-old actress had a surprise in store for the pop hunk towards the end of the conversation when she suddenly confessed she was completely naked.

She tells Timberlake, "I think I should mention that I'm not wearing any clothes", to which the singer replies, "Well, if that's how you'd like to be interviewed then that's totally fine."

Seyfried adds, "I'm most comfortable in my birthday suit."