Paris Hilton and Kim Kardashian reportedly crossed paths a handful of times last week at Cannes, but don't expect the former BFFs to be seen pal'ing around town together any time soon. Sources say Paris literally cannot stand Kim, and her blossoming relationship with Kanye West isn't helping matters.

"Kim will always be a sore spot for Paris because she believes that without her Kim wouldn't have the success she has in her life," says the source. "Adding to Paris' angst is that attention that Kim is getting from dating Kanye. Paris has been dating DJ Afrojack, but he's nowhere near the fame league that Kanye is, and adding to that, the relationship has now cooled. He didn't accompany Paris to Cannes and he didn't go with her to Las Vegas for Memorial Day while he was working in Atlantic City. Afrojack is extremely busy with his gigs and plays nightly at clubs all over the country, and Paris isn't going to go on the road with him and be a groupie."

Wait, so Kim Kardashian's a groupie? Shots fired!