Lopez, 46, has built a huge career out of singing and acting, but her stellar success has prompted some to repeatedly brand her "difficult" or "prima donna", reported Us magazine.
"I got a moniker of being 'the diva,' which I never felt I deserved - which I don't deserve - because I've always been a hard worker, on time, doing what I'm supposed to do, and getting that label because you reach a certain amount of success," she said.
"Certain directors and the boys' club that they form can make you feel like, 'Oh, I can't say anything,'" she continued.
"I was always fascinated by how I could see (a man) being late or being belligerent to a crew and it being totally acceptable; meanwhile, I'd show up 15 minutes late and be berated. And you watch this happen over and over and over again.