Justin Timberlake and Jessica Biel have been married for quite some time now, and new reports are starting to go around about the couple's marital problems.

According to new reports, the two are most likely headed for splitsville after Jessica gave Justin an ultimatum.

"Jessica has been on him to start a family all year, and she finally snapped," an insider revealed.

"She gave him an ultimatum that if he didn't change his tune, she'd walk out for good."

"That made Justin see sense because as scared as he is to be a dad, he'll do anything to keep hold of Jessica. He knows she's dead serious about this - and he has no choice but to step up to the plate. Justin has himself to blame for the situation he's gotten himself into."

"He's been dangling the baby carrot for years and swore to Jessica that they'd try for kids right after they got married. But then he got nervous and kept fobbing her off."

"The last thing Jessica wants is to force Justin into fatherhood. But she feels that once he commits to this, it will be the making of him as a person."

"Jessica's glad she put her foot down, but more than anything else, she can't wait to be a mommy as soon as possible," the insider added.

Other rumors connect Justin's unwillingness to start a family to his break-up with Britney Spears. The "Mirrors" singer is said to still have feelings for Britney.

Justin and Britney had a very public break-up in 2002.

However, these new reports continue to be pure rumors until Jessica and Justin speaks up. Fans are surely hoping that the Justin Timberlake and Jessica Biel divorce rumors are fabricated.

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Stay tuned for updates on Justin and Jessica.