Creating cinematic magic on the big screen often requires a lot of blood, sweat and tears behind the scenes to tie all the threads together.

While the ideal end result for a movie is an entertainment that's seamlessly brought to life (which involves people pouring a lot of money into the process), sometimes things can get a little messy with the people who make them along the way.

From major shocks to lawsuits to wars of words, scroll through to dive into some of the most notorious feuds between movie directors and stars - and discover how their relationships have turned from less than harmonious.

Justin Baldoni and Blake Lively

Rumors swirled that the director/actor Justin Baldoni and actress Blake Lively Didn't get along During the promotional tour for It ends with uswhich releases in August 2024.

The animosity between the pair was confirmed when Lively, 40, sued Baldoni in December 2024 for sexual harassment and accused the director of trying to tarnish her reputation through an abuse campaign – a claim Baldoni's lawyers vehemently denied.

Olivia Wilde and Florence Pugh

In case of 2022 release, don't worry dear Many viewers become more interested in the behind-the-scenes drama than the film itself. The movie was directed by Dr Olivia Wilde and starred Florence Pugh - and speculation was rampant The tension between the pair.

led up to Don't worry, darlingUpon its release Pugh did limited promotion for the film, avoiding being photographed alongside Wilde and arriving late or skipping press commitments. While no one has confirmed their relationship, there have been whispers that Pugh may be unhappy with Wilde's relationship costar. Harry Styles.

Megan Fox and Michael Bay

its time Transformer day, Megan Fox rock the boat with the director Michael Bay When he publicly compared her to "Hitler" - which eventually led to her being disbarred and replaced with Rosie Huntington-Whiteley.

“He's like Napoleon and he wants to build this crazy, notorious mad-man reputation. He wants to be like Hitler on his set, and he is," Fox, 38, said Wonderland Magazine In 2009. "So he's a nightmare to work with but when you take him away from the set, and he's not in director mode, I really enjoy his personality because he's so awkward, hopelessly awkward."

When he dropped her from his film, Bay said GQ Magazine In 2011 he was not particularly displeased.

"I'm not hurt, because I know it's just Megan. Megan likes to get a reaction," Bey, 59, said. "He does it the wrong way. I'm sorry, Megan. I'm sorry I made you work 12 hours. I'm sorry I'm making you show up on time. Movies aren't always warm and fuzzy."

Jake Gyllenhaal and David Fincher

Jake Gyllenhaal And David Fincher Words did not mince when talking about their experience working with each other in the 2007 film zodiac sign

"Fincher paints with people," Gyllenhaal, 44, said of the director in 2007, complaining, "It's hard to be a color."

Fincher later made his own decision to work with Gyllenhaal — and didn't hold back.

"Jack was in an overwhelming position because he was so young and had so many people competing for his attention, while working for someone who wouldn't let you take a day off," said Fincher, 62. The New York Times In 2020. "I think it was informed by Jack's philosophy — look, he made a bunch of movies as a kid, but I don't think he was ever told to focus on that as a kid, and I think he was very confused."

Katherine Heigl and Judd Apatow

Another infamous case of a movie star going head-to-head with a director was when Katherine Heigl In 2007, she came out rocking the opposite of the movie she starred in knock up.

its director Judd Apatow Less impressed was left When he slammed knock up During an interview with Vanity Fair In 2008.

"It portrays women as shrews, humorless and uptight," Heigl, 46, said. "It paints men as lovable, goofy, fun-loving boys. It exaggerates the characters, and some days I had a hard time with it. I'm playing such a bitch; why is she being so murderous? Why do you portray women like that? Ninety-eight percent of the time. It was an amazing experience, but it was difficult for me to like the movie.”

For his part, Apatow told the radio host Howard Stern In 2009, he sought an apology from Heigl after the offensive comment, but he never received it.

"(You'd think) at some point I'd get a call saying, 'Sorry, I was tired...' and then the call doesn't come," Apatow, 57, said.