Lester Cohen / WireImage 1 / 14
Lester Cohen / WireImage 1 / 14

While Kim Kardashian is usually spotted palling around with her sisters or boyfriend Kanye West, it seems like she's found a new buddy in George Clooney's girlfriend, Stacy Keibler.

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A source told the New York Daily News that Kardashian and Keibler first connected at Yankee Stadium last weekend at the Madonna concert, which Kardashian attended with her pal Jonathan Cheban, who's also friendly with Keibler.

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"They've known each other for years and have always been friendly, just not best friends," says a source.

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Continuing the fun, the pair also hung out at the Marchesa fashion show in Grand Central Station and on Thursday, they were spotted again at The Palladium Jewelry By Jacob & Co. launch celebration hosted by W Magazine at Jacob & Co. Flagship's store in midtown.