J.LO BLAMES BEN FOR $20M FLOP!

Now their marriage is on the rocks again

HUMILIATED Jennifer Lopez is blaming hubby Ben Affleck for her career swirling down the drain, according to sources who say the red-faced beauty is now whining getting hitched to the Batman hunk was a big mistake.

"Jennifer and Ben's marriage is on the verge of collapsing, and she's read him the riot act to pick up his game or get a lawyer," says a source.

Her fury has been fueled by the failure of her self-funded, $20 million vanity project,  including her album This Is Me... Now and the companion documentary based on her love story with Ben.

Sources describe it as a total turkey.

"She's convinced it failed because Ben's such a dead weight around her neck," spills an insider.