Lindsay Lohan Un-OFFICIAL Fan Site

It may well be over romantically between former lovers Samantha Ronson and Lindsay Lohan — or at least for now — but that doesn’t mean that emotions, and tempers, aren’t still running high.

They are — so high in fact that RadarOnline.com has exclusively learned the twosome got into a bitter, heated fight Wednesday night, which culminated in Lohan throwing a drink in Ronson’s face!

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Lindsay Lohan can be seen on ‘The Insider’ this Thursday discussing her latest diagnosis: secret celebrity hoarder.

“It’s kind of a sore subject,” Lindsay tells Niecy Nash in the teaser. Then she faces a room filled with shoes and clothes and dramatically intones, “I just need to get rid of this stuff.” Supposedly her hoarding is a coping mechanism for the hurt caused by her father, shown in the opening montage.

‘The Insider’ routinely pays its subjects for interviews, but Lindsay is no stranger to collecting paychecks from dubious sources. Next week she will accompany a 77-year-old Austrian billionaire to the Vienna Opera Ball for a reported $150,000 payday.

WATCH:

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For 19 years, oddball Austrian billionaire Richard Lugner has paid for nights with beautiful B-list bombshells. He pays them about $150,000 and, in exchange, they sign autographs at one of his shopping malls and then accompany him to Austria’s premier social event, the Vienna Opera Ball.

The 77-year-old, four-times-divorced father of three gets a kick out of the attention — and sometimes outrage — that his buxom rent-a-dates stir up. But none have been so demanding as this year’s date — Lindsay Lohan.

Read more: Lindsay Lohan, Richard Lugner, Lindsay Lohan Vienna Opera Ball, Entertainment News