IT was an action-packed weekend for Lindsay Lohan. On Friday, she hit the AXE Lounge in Southampton with younger brother Michael, downed virgin Shirley Temples and had security guards delete photos that partygoers had taken of her.

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“She spent most of the time on her phone,” says a source. At the Lower East Side club The Box the following night, a spy tells Page Six, Lohan was behaving “extremely oddly and erratically.” Says our witness: “She came in at 4:30 a.m. and went to a VIP room, where she immediately climbed a stripper pole. A little later, she walked up to a tall, handsome guy and asked him a question. When he said he didn’t know the answer, she lost it and started yelling and cursing and flying around the room. She was not acting normal.” Lohan was again spotted out on Sunday, dancing and singing karaoke. Her rep could not be reached for comment.