Source: The New PaperShe may have split with Marc Anthony and American Idol, but US pop star and actress Jennifer Lopez may be ready to make a new commitment.A source told OK! magazine that the 43-year-old star is ready to walk down the aisle with her beau, back-up dancer Casper Smart, 25."If Casper wanted to elope tomorrow, she'd say yes," said the source. "They've talked babies, marriage, the whole nine yards."But friends and family are worried about whether the relationship will last.Said the source: "The age gap is bound to become an issue. And as much as Jennifer loves the idea of marriage, she's not necessarily great at it."But right now, Jennifer and Casper are crazy about each other and friends are bracing for a wedding announcement."