Jennifer Lawrence felt guilty about filming a sex scene with Chris Pratt.

Jennifer Lawrence

Jennifer Lawrence

The 25-year-old actress admits she called her mother for reassurance and got "really, really drunk" before shooting intimate moments with her 36-year-old co-star, whose wife is actress Anna Faris, on the set of their upcoming film 'Passengers' as if was her "first time kissing a married man."

The Oscar winner said: "I got really, really drunk. But then that led to more anxiety when I got home because I was like, "What have I done? I don't know.'

"And he was married. And it was going to be my first time kissing a married man, and guilt is the worst feeling in your stomach.

"And I knew it was my job, but I couldn't tell my stomach that. So I called my mom, and I was like, 'Will you just tell me it's OK?' It was just very vulnerable.

And you don't know what's too much. You want to do it real, you want everything to be real, but then ... That was the most vulnerable I've ever been."

Jennifer, who has previously dated actor Nicholas Hoult and Coldplay frontman Chris Martin, insists the entire shoot was very professional, but admits she still felt bad even though "nobody did anything wrong."

She told The Hollywood Reporter magazine: "It was weird. And everything was done right; nobody did anything wrong. It's just a bizarre experience."

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