Flores claims that his former boss constantly made unwanted sexual advances towards him. He says in one incident she wore a skimpy lace outfit and purposely exposed her genitals to him.
He also claims Spears summoned him at least twice for no reason and each time she greeted him naked.
The attorney for Spears' ex-husband, Kevin Federline, said the allegations are baseless and have no merit. He said the motivation is an economic one.
"Maybe this guy's complaints are valid. It sure does seem they're turning Britney into a target again," said Jeanne Wolf, West Coast editor of Parade Magazine. "It seems if he endured continuous exposure to abuse, and was working for an outside guard company, one would guess that he would report that and move on to another job."
Wolf says these allegations, if true, could be very damaging to the pop star who just recently rebuilt her career.
Flores also claims he witnessed Spears having loud sexual relations in a hotel in California while her children were present in the same suite.
In another incident Flores says Spears once asked him to give her his belt. Seconds later she ran into her house and was witnessed "savagely beating" her eldest son Preston.
Flores says Spears also purposely fed her two sons crab meat even though she knew they had serious seafood allergies. When the boys started vomiting, Spears prevented him and the nanny from calling a doctor, he adds.
"I think we all thought she was more than making a comeback. I think we all believed she was reclaiming her life," said Wolf. "What this will do is raise a big question mark. The case isn't decided yet, it isn't even filed yet. But if any of this is near true it is damaging to Britney's reputation."
It's unclear if any of the child abuse allegations were investigated by authorities. Flores has also filed a complaint for sexual harassment and emotional distress with the California Department of Fair Employment and Housing.
Spears' camp has made no comment on the lawsuit or the allegations. Her publicists did not return calls seeking comment.
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