Lindsay Lohan snubbed Kimberly Stewart at a recent party - sparking rumours the pair are feuding.The once friendly stars were at a party at New York's Drive-in Studios but refused to speak each other, despite sitting just a few tables apart.One onlooker told America's In Touch Weekly magazine: "Lindsay and Kimberly were sitting on the same side of the room but they totally ignored each other."They didn't even acknowledge each other's presence. Lindsay just kept to herself for the most part, and Kimberly spent time with pals, but neither would even say hello. They used to be friends, but no more."Meanwhile, Lohan has been spotted looking cosy with actor Benicio Del Toro - sparking rumours the pair are dating.The 'Mean Girls' actress reportedly "hooked up with" the 38-year-old actor at a star-studded bash earlier this month.Del Toro was celebrating on/off love Sara Foster's birthday, but "he dumped her to party with Lindsay", according to reports.

The pair allegedly spent hours "canoodling".

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