Is Jennifer Lopez ready to tie the knot for the fourth time? That's what everyone seems to be talking about as there are rumors swirling that the multi-talented singer and actress is looking to get married to her on-again, off-again beau, Casper Smart.

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According to Naughty Gossip on Wednesday, even though Lopez and Smart seem to be "back on" again, it doesn't look like they'll be getting married anytime soon. Sources say that even though Smart proposed to Lopez, she wasn't willing to make things official with him.

The site says that after "several proposals" Lopez simply told him that it's "never happening." The Latina beauty was previously married to Marc Anthony from 2005 until they separated in 2011. They share custody of their twins Max and Emme together.

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And even though Lopez reportedly doesn't want to get married, there's another rumor that says she does want to have another baby, though.

According to OK! Magazine on Friday, the 46-year-old Latina beauty thinks "time is running out" and wants to get pregnant as soon as she can. Lopez allegedly thinks Smart is going to be a great father because he's managed to be an important figure in her children Max and Emme's lives.

A source told the site, "Casper's great with the twins and he really wants to have a baby of his own too. They've already started trying, and he'd love to be able to reveal on their wedding day that they're expecting."

So far Lopez herself hasn't responded to any of the rumors.