No one ever said that acting was an easy job to do and in Jennifer Lopez's case, it can get pretty dangerous sometimes, too. Her The Boy Next Door co-star Ryan Guzman has revealed that he accidentally injured her while filming a sex scene together for the movie.

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According to People Magazine on Monday, Guzman said, "It was right before we get into the very, very steamy part of the film. My character has to pick up Jennifer - and me being stupid - I put a little bit too much oomph into it."

He then explains that he accidentally sent the Latina beauty straight into the ceiling.

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He added, "Let's just say that the next couple takes, I was very, very gentle. She was a trooper. She hit her head, she came right back down, and she said, 'Hey, I'm light. Just take it easy. You don't need to muscle up.'"

Meanwhile, there was even a report back in March that suggested Lopez and her on-again, off-again boyfriend Casper Smart might have "faked" their relationship for the sake of their careers.

According to TMZ, Lopez and Smart broke up to help benefit their careers. Producers supposedly thought it would be a good idea if Lopez promoted her latest film The Boy Next Door as a single woman while Smart was "more appealing single" for his big screen film Street.

TMZ reported, "Jennifer Lopez and Casper Smart did NOT get back together, because we found out they were never really apart. Sources close to the couple tell us ... the break-up they announced in June was a business move. Multiple sources say in the spring they did stop seeing each other, but only for a few weeks."