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The Insider's Christina McLarty crashed the beautiful Northern California wine-country set of Jason Segel and Emily Blunt's romantic comedy The Five-Year Engagement, in theaters April 27, and she cut right to the chase: will we see another full-frontal scene from Jason in this movie?

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Gallery: No 'Shame': Five Full Frontal Moments

"I'm not going to reveal my secrets, but I do have a feeling about doing nudity, which is this: When I did [Forgetting Sarah Marshall] I was like 25 pounds heavier," says the newly svelte Jason of his infamous nude break-up scene. "I'm, like, muscular under [my suit]. It's very weird. I have a normal man's body for the first time in years. So when I was naked in Sarah Marshall, it was like 'funny' naked. Now, it looks like I'm going for sexy naked, but I'm not, like, that sexy. I can pull it off, but I prefer funny naked."

For the record, Jason says of doing nude scenes, "I love it, actually."

Video: 'Five-Year Engagement' Trailer

The third movie that Jason and Emily have starred in together, The Five-Year Engagement begins where most romantic comedies end, following what happens when an engaged couple keeps getting tripped up on the long walk down the aisle.

Video: Emily & Ewan Play Go 'Fish'

"I think it's a really moving film at the same time as being ludicrously funny," says Emily. As for having to kiss her good buddy over and over, she says, "We just don't care about the other one feeling embarrassed. It's just very easy. We've done so many kissing scenes that it's like so mundane now."

Also starring Alison Brie, Chris Pratt and David Paymer, The Five-Year Engagement was written by Jason and director Nicholas Stoller (Forgetting Sarah Marshall, Get Him to the Greek) and produced by Judd Apatow (Knocked Up, The 40-Year-Old Virgin).