Teenage revelers trashed a Spanish mansion worth $8.6 million — after the student host posted an open invite on the online social networking site Facebook.

Over 400 teens crashed Jodie Hudson's 16th birthday bash in Marbella, Spain, then stole $11,800 worth of jewelry, swiped designer clothes and threw a TV in the pool.

Police had to be called to put an end to the wild party, but they did not arrive in time to stop the drunk teenagers wrecking the seven-bedroom luxury home.

"The place looked like a war zone,” one partygoer said. "All the banisters have been broken. The walls are ruined, the carpets are destroyed, furniture is broken and it is going to take months to sort out."

The wealthy family rents out the villa during the summer months to vacationers for almost $8,000 a week, but they say they will be unable to lease out the home this season, after the party crashers made the house "uninhabitable.”

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