Mary-Kate Olsen, Dakota Fanning Diss Lindsay Lohan at Fashion Week

 Jamie McCarthy/; Stefanie Keenan/; Dimitrios Kambouris/Getty Images for Marc Jacobs

Guess former child actresses don't always stick together!

Lindsay Lohan wasn't exactly the most popular girl during just-wrapped Fashion Week in NYC.

At two separate bashes, Mary-Kate Olsen and Dakota Fanning took serious measures to keep their distance from the drama-prone 25-year-old star.

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At Wednesday night's V Magazine party presented by Veuve Clicquot bash at the Boom Boom Room, Olsen, 25, "flipped" when she was seated at a table across from the Mean Girls starlet and a friend, according to a witness.

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With a male pal at her side, the Full House vet and fashion designer immediately asked the hostess to find her a different table — but, alas, "there wasn't anything open," the observer explains. "She looked so upset about her seat and kept looking over at Lindsay." (Gerard Butler and Rachel Zoe also turned up for the V mag party.)

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Quipped Olsen to her friend: "I really don't want to be here right now."

Lohan got the cold shoulder again the following night at the Oh, Lola! By Marc Jacobs fragrance launch at the Dream Downtown.

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The 17-year-old actress (who is the spokesmodel for the Oh, Lola! fragrance) chatted with designer Marc Jacobs, director Sofia Coppolla and her new husband Thomas Mars before settling down into a banquette with a friend. When Lohan sat down nearby, Fanning "rolled her eyes" to her friend "they scooted further down the banquette to get away from Lindsay."

Also on hand for the party? Courtney Love, who arrived past midnight and, after saying hello to Fanning, chatted with Lohan "for about ten minutes," the witness says.

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