Celebrity Feuds

Alec Baldwin vs. Greg Garcia: One day after Alec Baldwin criticized 'My Name Is Earl' in the New Yorker, the show's creator/executive producer Greg Garcia took a few jabs at Baldwin, calling him a "psychotic narcissist."

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Elton John and Lily Allen took a few under-the-belt shots at each other while they hosted the GQ Men of the Year awards in Britain. John went after Allen's drinking and she shot back and made fun of his age.

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"Evil spawn Angelina Jolie and her vacuous hubby Brad Pitt make about forty million dollars a year in violent psychopathic movies and give away three of it to starving children trying to look as if they give a crap about humanity," Roseanne Barr writes on her blog. She also criticizes the couple for not supporting Barack Obama.

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Noel Gallagher said hip-hop had no place at the Glastonbury Festival where Jay-Z performed. Now, Jay jabs back. "That bloke from Oasis said I couldn't play guitar, somebody shoulda told him I'm a f----- rock star," he raps on a new track.

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Corey Feldman (right) refuses to talk to his one-time best friend Corey Haim, saying Haim refuses to get sober. "As somebody that cares deeply about the guy, I'm not going to watch him destroy himself," says Feldman.

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Shanna Moakler (right) had some choice words for Kim Kardashian ... namely "whore" ... during an altercation at a house party in Malibu on July 20. Moakler then threw a drink in Kardashian's face.

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Lauren Conrad vs. Heidi Montag
There's always the danger of a best friend clashing with a boyfriend. Just ask Montag, who's main squeeze Spencer Pratt pushed former BFF Conrad out of the picture -- and ignited a long-lasting 'Hills' feud between the now-rival blondes.

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Spencer Pratt vs. Mary-Kate Olsen
It's a rivalry with high-school roots, as Olsen told David Letterman that her former classmate did "not have a good temper." Pratt shot back via US Weekly, calling her "a famous troll" and "the less-cute twin."

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Heather Locklear vs. Denise Richards
Rule of thumb: Don't date your best friend's ex. But that's what Richards did when Locklear split from husband of 12 years, Richie Sambora. The fling between Richards and Sambora didn't last long, but the damage was done between the former gal pals.

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Rosie vs. Donald | Rosie vs. Elizabeth
O'Donnell first dissed Trump on 'The View' in 2006, and the Donald fired back, calling her a "fat slob" and "a total disaster." 'View' drama continued when she got into an intense on-air spat with co-host Hasselbeck, which resulted in O'Donnell ultimately leaving the show.

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