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Lindsay Lohan is in hot water again.
The troubled starlet, 26, was arrested early this morning after getting into a fight at a New York City nightclub, police told The Post.
LiLo was at club Avenue in Manhattan — and after exchanging words with a fellow clubgoer, she punched the 28-year-old woman, causing bruising and swelling to the victim's face, cops said.
Law enforcement sources said the victim was initially scuffling with another woman before Lohan got involved.
Police were called, and the victim identified Lohan as her attacker. Lohan was later taken to the 10th Precinct Station House for processing, accused of misdemeanor assault. She's likely to receive a desk appearance ticket, sources said.
The arrest comes days after Lohan's latest career comeback attempt, the Lifetime movie "Liz & Dick," debuted.
But the legal sidetracks continue to build. As TMZ reported last week, Lohan is expected to be charged with lying to LA police about a June traffic accident.
Lohan was accused of clipping a pedestrian with her car outside of the Dream Downtown Hotel earlier this year, but Manhattan prosecutors decided not to pursue a case.
She is currently on probation from a July 2011 jewelry theft. Other previous offenses include DUIs and failed drug tests, ongoing issues for the "Mean Girls" actress whose career once seemed so bright.
Lohan discussed her troubles and growth in an interview last week with Jay Leno.
"I kind of am still a kid, in a way. I'm 26," she said. "You get caught up in everything, and it's important to kind of find yourself and keep yourself through that, and I went through that."
Lohan was actually banned from Avenue years ago, after tweeting about Justin Timberlake's dating blunders, but that ban was later lifted.