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The shocking details from the night Britney Spears suffered her dramatic meltdown have been revealed, including claims that she refused to dress for police, yelling she was "too hot" for clothes.

Police sources have revealed the appalling instances that took place when they arrived at Spears' Los Angeles home in a bid to prompt the singer to hand over her child after her visitation term had ended.

According to a report in TMZ.com, Britney spent three hours locked in the master bathroom of her home with her youngest son Jayden James.

When the pop star did relinquish the kid, she was wearing nothing but panties and refused to wear nothing on but a see-through dress, according to an insider.

And when cops tried to cover her with a sweater, she screamed, "Don't cover me up. I'm f**king hot."

The source reveals that Spears was mostly rambling, screaming, "What the f**k are you doing in my house?" and "I don't need your f**king help" at the authorities.

Her moods "swung wildly from laughter to rage to sobs," the source added.

Britney's pal Sam Lutfi arrived amid the chaos and and is said to have told officers he knew the singer's latest meltdown "was coming for a long time".

He reportedly told police Britney had been "extremely unstable" and recently bought a house in Malibu on a whim, started moving furniture in and then changed her mind.