Robert Downey Jr., Nicki Minaj, and More Celebrities Who’ve Insulted Their Costars

"I think he was a f—ing idiot. As an actor, I think it's my obligation to support the film without making a complete a– of myself." Harrison Ford said about Shia LaBeouf.

The two starred in Indiana Jones and the Kingdom of the Crystal Skull together.

“It’s not nice to call someone ‘disgusting.’ But she’s not a nice person. Everyone knows that," Nick Nolte said about Julia Roberts.

The two worked on the film I Love Trouble.

“There were days when she would scream and yell and cry and refuse to come out. [She] was like a child lashing out," James Deen said about Lindsay Lohan.

The two starred in the movie The Canyons.

"I kinda think he's a jerk. . . . I don't know, I just think he is. My personal experience with him is I think he's this kind of self-important, kind of like boring flash-in-the-pan a–hole Brit," Robert Downey Jr. said about Hugh Grant.

The two starred in the 1995 film Restoration.

“What u SHOULD be doing (wit your messy a–) is asking why a woman SO successful, at her age is still so INSECURE, and bitter," Nicki Minaj tweeted about Mariah Carey.

The two appeared on American Idol together.

“I'm glad to see you haven't changed. Even today, you are still a b—h," Star Jones said about Joy Behar.

The two worked together as co-hosts on The View.

“[Bruce] is greedy and lazy — a sure formula for career failure," Sylvester Stallone tweeted about Bruce Willis.

The two starred in the Expendables franchise together.

"Tara’s body, I don’t know what’s going on with it. I don’t think she even knows what’s going on with it," Jason Biggs said about Tara Reid.

The two starred in the American Pie movies.

“[Tom Cruise] was the biggest bore on the face of the Earth…He was tense and made constant, constant unrelated homophobic comments. Very, very strange," Bronson Pinchot said about Tom Cruise.

The two starred in Risky Business together.

"She's competitive. She didn't like me. She just wasn't having me…a total beeyotch," Rae Dawn Chong said about Oprah Winfrey.

The two were in The Color Purple together.

"There will never be a reunion as I will never do anything with an a–hole like Will Smith," Janet Hubert said about Will Smith.

The two starred in The Fresh Prince of Bel Air together.

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