Porn star Kacey Jordan, who became famous after a 36-hour party binge with Charlie Sheen last week, reportedly had a torrid relationship with Britney Spears’ ex-husband/baby daddy, Kevin Federline aka K-Fed.

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“Kacey Jordan used to party hard with Kevin Federline,” a source told RadarOnline. “She used to hang out at his Tarzana house. It was three years ago.”

Kevin and Kacey dated for some time. She reportedly got pregnant, but decided to have an abortion since they were not serious and the porn star was just launching her glorious career in the adult industry.

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“Right after the abortion her partying got so out of control that she left the porn business for a while and straightened up,” a source revealed. Kacey was hospitalized several times before she got clean. “Kacey has a bad drug problem and a heart problem.”

When asked about his relationship with Charlie Sheen’s porn star and the abortion, Kevin preferred not to comment. Britney would have kicked K-Fat’s booty. Oh, but there’s more… Kacey even babysat Britney’s boys, Sean Preston and Jayden James, at daddy’s place while Kevin was out.

Kacey tells TMZ, “I watched the kids when Kevin was dealing with the divorce. He was busy with going to so many meetings with lawyers. We went swimming … they were great.”

Oh NO! These kids really do have everything they want (… and don’t want!), including porn star babysitters! Britney will not like to know about this.

Porn star Kacey Jordan Naughty Babysitter Pictures