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AMY CRACKHOUSE

These startling, never-before-seen photos show nose-diving singer Amy Winehouse hitting a new low – kicking back in a drug den and holding what appears to be a crack pipe in her hand.

MORE: Winehouse Hubby Guilty

The embarrassing shots – including one in which she and her hubby share a dissolving pill on their tongues – are just a few of the disturbing pics and videos that have recently surfaced of the deteriorating star.

Yesterday, the train wreck stood on the steps of her London home and apologized for singing racist chants on one of the home videos.

On the tape, Winehouse and a pal sing a string of racial epithets to the tune of the children’s ditty “Heads, Shoulders, Knees and Toes.”

Winehouse’s husband, Blake Fielder-Civil, reportedly made the recording, which was obtained by Britain’s News of the World paper.

The tape was said to have been made in May 2007, before Fielder-Civil went to jail, where he is awaiting trial on a charge of witness-tampering.

The singer and her pal sit on a couch surrounded by drug paraphernalia and sing in harmony, “Blacks, Pakis, gooks and nips, gooks and nips!”

They follow that up with, “And deaf and dumb and blind and gay!”

When she uses the offensive word for Japanese, Winehouse pulls her eyes back.

“Well done,” said Fielder-Civil. “I promise I wasn’t recording.”

In January, Winehouse appeared to be smoking crack on a video that was handed over to the London police. Cops questioned her for nine hours but declined to press charges.

The 24-year-old singer, who rocketed to fame singing “They tried to make me go to rehab, I said no, no, no,” did go to earlier this year, but it’s unclear if her stint did any good.

jennifer.fermino@nypost.com