"By hesitant, I mean, we kept saying flat out 'no,' " McCarthy says of casting her daughter in The Boss
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While Melissa McCarthy loves hanging out with her 8-year-old daughter on movie sets, she wasn’t so sure about putting her on camera.

“We were very hesitant to do that,” the actress tells Bust magazine of casting her daughter, Vivian, in her most recent film, The Boss.

“By hesitant, I mean, we kept saying flat out ‘no,’ ” she adds. “School plays? You can do that. You don t need to be doing this as a job. You’re in school. That’s your job.”

But Vivian didn’t give up trying to convince her mom. “She knew there were kids in this movie,” McCarthy explains. When Vivian asked, “Am I not allowed to at least try?” McCarthy finally caved. “I said, ‘Yes, yes, you are of course allowed to try.”

On the day of Vivian’s big scene, McCarthy’s husband, Ben Falcone – who wrote and directed The Boss – drove their daughter to work. “Ben was trying to joke around with her on the way to set,” McCarthy says. “But she said something to the effect of, ‘Do you mind if we joke around after I’m done? I think she [her character, Michelle] is probably pretty upset right now and when you make me laugh I don t feel like her.’ ”

Impressed with his daughter’s dedication to the part, McCarthy says Falcone later told her, “I’m the director and I’m messing up my actress!”

While the Bridesmaid’s star was proud of Vivian’s performance, she says she’s in no rush to get her in front of the camera anytime soon. “I said ‘Okay! Great job! Do it again when you’re 20!’ ”

McCarthy says she also felt comfortable allowing her daughter to participate in the film because of its positive portrayal of friendships between women – something she points out is lacking in many movies.

“Watching [women] become friends and then essentially become family, that’s the kind of thing I root for when I watch a movie,” she explains.

“I want to see that. I love to show women and girls uniting. I love showing that because I think so often in movies, you see women just fighting and not liking each other. That’s not real life. That’s not the norm,” McCarthy adds.