Lindsay Lohan threw such a hissy fit at a hotel where her boyfriend stayed with another woman that the “Mean Girls” star was reportedly asked to leave the hotel.

Calum Best checked into Manhattan’s trendy Soho Grand with a pretty young woman who was not Lohan, and the actress shortly checked in with another guy — some believe to make Best jealous. Lohan tried to telephone Calum, but didn’t get in touch with him, so she went out partying until 1:30 a.m., reports Star, then returned to the hotel and collapsed in the lobby.

“She was writhing on the floor and everyone could see that she wasn’t wearing any panties,” an insider told the tab. Lohan’s date and bodyguard seemed so appalled by the scene that they didn’t do a thing to help her, a staffer told Star, and so the hotel’s night manager carried Lohan to her room.

The drama didn’t stop there. Lohan repeatedly telephoned Best’s room, and at one point, went to his door and banged on it. He came to the door and opened it a bit, she peeked inside and saw the woman there. “She went cuckoo,” a source told the tab. “She yelled at him, slammed the door and banged on it some more.”

Lohan was reportedly escorted back to her room, but after various other escapades, at 5:30 a.m. she was asked to leave the hotel — and checked out at 6:30 a.m.

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