'The X-Files'

Feuding Costars

While we hate to think of our favorite FBI partners not getting along behind the scenes, word has it there was no love lost between David Duchovny and Gillian Anderson on 'The X-Files.' (Fox)

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'Grey's Anatomy' Bad blood had been brewing on the set of 'Grey's Anatomy' and it came to a head when stars Isaiah Washington and Patrick Dempsey had a backstage blow-up. During the heated exchange, Washington used a homophobic slur in reference to costar T.R. Knight. The fallout, of course, ultimately resulted in Washington being fired from the show. (ABC)
'American 'Idol' Are the insults, jabs and playful banter between Simon Cowell and Ryan Seacrest really just all in good fun? Some say yes...some say no. (Photo by Matthew Simmons/Getty Images)
'Desperate House... Back when the 'Housewives' peaked in popularity, gossip columns went nuts when a Vanity Fair shoot turned ugly after Marcia Cross and Teri Hatcher allegedly battled over who got to be in the middle. (ABC)
'Dancing with th... At the end of Season 7, ex-NFL star Warren Sapp and pro dancer Derek Hough, who were in the final two, got into it during a dance rehearsal, with Sapp allegedly shoving Hough up against a wall. Considering their sizes, that hardly seems fair, but sources say Hough proudly held his own. (ABC)
Disney Stars Lov... Leave it to tween queen Miley Cyrus ('Hannah Montana') and up-and-comer Selena Gomez ('Wizards of Waverly Place') to fight over one of the those dreamy Jonas brothers! (Photo by Alberto E. Rodriguez/Getty Images)
'Moonlighting' It's hard to say whose ego was bigger when it came to 'Moonlighting's' Bruce Willis and Cybill Shepherd (though the finger seems to be pointed more at Shepherd--allegedly), but constant fighting on the set was said to be partly responsible for the show ending its run after four seasons (1985-89). (Photo: Mario Casilli)
'Sex and the Cit... The alleged 'star' status--and salaries--of Sarah Jessica Parker and Kim Cattrall was allegedly what held up the 'Sex' movie. They were able to play nice long enough to make the movie--and have it be a surprisingly huge success. Sequel confirmed and on its way! (HBO)
'Beverly Hills, ... Meow! Shannen Doherty and Jennie Garth reportedly got into a physical altercation--hair pulling and scratching, the whole deal--back in the days in 'Beverly Hills.' A decade later, the older and wiser pair reunited on the new '90210,' much to fans delight. (Photo: Mario Casilli)
'Charmed' Shannen Doherty also had a back stage war with 'Charmed' costar Alyssa Milano. Notice a trend here? (Photo: MPTV)
'Three's Company... Suzanne Somers had a very public falling out with the 'Three's Company' producers when she demanded a huge salary increase (that didn't sit too well with her costars either), which ultimately led to her departure from the show. (ABC)
'Laverne & Shirl... What's Laverne without Shirley? Everyone found out when Cindy Williams's pregnancy led to her being written out of the show (she filed a lawsuit after allegedly storming off the set) and Penny Marshall tried to go it alone. It didn't work out so well and the show ended in 1983. (PHOTO: MPTV)
'The X-Files' While we hate to think of our favorite FBI partners not getting along behind the scenes, word has it there was no love lost between David Duchovny and Gillian Anderson on 'The X-Files.' (Fox)
'Remington Steel... Back in the '80s, Stephanie Zimbalist must have recognized Pierce Brosnan's star power, even before he was Bond, because she was rumored to have felt overshadowed by him on their TV series 'Remington Steele.' (NBC)
'The View' Let's face it: Which of 'The View' cohosts hasn't had a fight with each other? While the Elisabeth-Rosie split-screen fracas is infamous, it was actually Whoopi Goldberg who made Elisabeth Hasselbeck cry! The heated debate was over the use of the N-word. (ABC)
'The View' Wicked words were exchanged on the air between Star Jones and Joy Behar, when Jones called in to the show to discuss her recent surgeries and Behar cut her off saying, enough about you. To which Jones replied, 'Even today, you are still a b***h.' Ouch! (Photo by Scott Gries/Getty Images)
'The View' Long after Rosie O'Donnell left 'The View,' Barbara Walters and her former cohost have traded public barbs in the press. (ABC)
Sonny Bono and C... What happens when you star on a popular TV show with your husband and then you break-up? Awkwardness. (Photo: Gabi Rona)
'Designing Women... Delta Burke publicly battled her 'Designing Women' creator Linda Bloodworth-Thomason for criticizing her weight and calling the set 'an unpleasant place to work.' Burke even accused the producers of 'emotional and sometimes physical abuse' and allegedly claimed the other ladies in the cast didn't support her during the bitter barbs. (Photo by Scott Gries/Getty Images)
'Gossip Girl' Catty is as catty does, and how can you be an actress on a show called 'Gossip Girl' and not get hit with rumors that the two leading ladies are jealous of each other? Leighton Meester and Blake Lively have been subjected to such gossip, but the girls have denied it--publicly. (The CW)
'Gossip Girl' vs... America Ferrera ('Ugly Betty') was perhaps trying to be a good role model, but she slammed her 'Sisterhood of the Traveling Pants' costar Blake Lively ('Gossip Girl') in the process. Ferrera told Seventeen magazine, "...shows like 'Gossip Girl' kind of condition us to be mean." Ferrera also got caught rolling her eyes at Lively during a press interview. (Photo by Scott Gries/Getty Images)
'Brothers & Sist... When Balthazar Getty got caught by the paparazzi for having an affair with Sienna Miller, his wife wasn't the only one who was hurt. His costar Matthew Rhys (left), who plays his TV brother, had been seeing Ms. Miller before that. There was tension on the set, and word has it now that Getty is being phased out of 'Brothers & Sisters.' (Photo by Neilson Barnard/Getty Images)
'30 Rock' Here's one to file under random, unjustified rumors: Reports circled that '30 Rock'-ers Alec Baldwin and Tina Fey were at odds on the set, but both stars say it isn't true...and we believe them. (Photo by Neilson Barnard/Getty Images)
'High School Mus... The cast of 'High School Musical' was usually in harmony, but when naughty photos of 'HSM' star Vanessa Hudgens (right) hit the web (and dropped a big ole attention bomb on the brunette), her costar Ashley Tisdale was allegedly livid. (Photo by Neilson Barnard/Getty Images)
'South Park' The late Isaac Hayes, a Scientologist who played the voice of 'Chef' on 'South Park,' was reportedly so miffed with creators Trey Parker and Matt Stone for an episode mocking the quasi-religion, that he left the show. (Photo by Michael Buckner/Getty Images)
'Star Trek' One of the more hilarious public feuds was between 'Star Trek's' William Shatner and George Takei. Shatner went on a YouTube rant slamming Mr. Sulu for not inviting him to his wedding. Takei married his partner of 21 years, Brad Altman, in 2008. Shatner accused Takei of 'psychosis' and Takei accused the Shat of 'silliness.' No matter what, we hope they both live long and prosper. (NBC)
'Laguna Beach' The rich kids of the MTV sensation that spawned two spinoffs had one of the best high-school rivalries around once Kristin Cavallari (left) and Lauren Conrad started fighting over what's-his-name. (Photo by Frederick M. Brown/Getty Images)
The Girls from '... We're not even sure anymore why Lauren, Audrina, Lo, Heidi and Spencer can't get along...and does it even matter? The reality stars drama makes for unexplainably good TV. (Photo by Scott Gries/Getty Images)
'The City' Good girl Whitney Port defected from 'The Hills' for her own show in 'The City'...and now must tangle with her new frenemy, socialite Olivia Palermo. It's like 'Mean Girls' for the jet set. (Photo by Astrid Stawiarz/Getty Images)
'The Real Housew... Catty squabbles are actually less of a feud and more like...just another day in the neighborhood for the wives in 'Atlanta.' (Bravo)
Most Dangerous C... Looking at photos of famous folks could give your a computer virus. Who are the top 15 most dangerous celebrities?