(Cover) - EN Showbiz - Jennifer Lopez is too confident to "put up with friction" in her relationship, it's been claimed.

The star is currently dating Casper Smart following her split from estranged husband Marc Anthony.

Although there have been marriage rumours surrounding the couple, Casper apparently thinks Jennifer is too flirty. She insists he is being too protective and has told him to stop worrying.

"Jen's accused him of being immature and basically said if he wasn't mature enough to handle her working around other talented men, he should leave the relationship now, so he eventually calmed down," a source told Look magazine. "If he flares up again, he'll be out of the door for sure. J-Lo is too self-assured to put up with any friction in her relationships."

Jennifer is one of the judges on TV show American Idol and has been getting on well with contestant Phillip Phillips. Casper reportedly became sensitive when she wouldn't stop gushing about the wannabe singer.

"She talks about his performance and what a cutie pie he is," an insider giggled. (C) Cover Media