AceShowbiz - Jason Momoa was hit with mistreatment allegations. YouTube streamer Valkyrae accused the "Aquaman" star of mistreating the crew on the set of his upcoming film "A Minecraft Movie".

During her appearance on a Hot Ones-inspired segment opposite fellow YouTuber JasonTheWeen, Valkyrae was asked about her worst experience working with a celebrity. "So, 'Minecraft Movie' - I have a cameo in the Minecraft movie that's coming out - I would have to say Jason Momoa," she replied to the question.

According to the 32-year-old Internet personality, the 45-year-old actor "mistreated some of the crew" during production of the forthcoming flick, in which he plays Garett "The Garbage Man" Garrison. "It was pretty disappointing," she added.

"It was after a very intense scene - and it was a very emotional scene - so maybe he was still in character, I don't know. I was just surprised about how he treated some of the crew," Valkyrae continued.

She further recalled the "Game of Thrones" alum being "really mad at them that they weren't doing something right in setting up the shot and stuff," adding the Hollywood hunk "was just angry, really mad, and yelling."

"I was like, 'Man, this is not a good work environment, I would not be happy working under these conditions.' I would have to say that was the worst celebrity thing I've seen," she concluded.

Upon catching wind of Valkyrae's account, some Internet users defended Jason. Giving the actor the benefit of the doubt, one said, "Valkyrae should understand at times one can have a bad day in the office. You can't [condemn] or pass judgement based on that day."

Another echoed, "Have we seen any of his staff or crew member coming up complaining of mistreatment? Let's be factual at times…" Someone else noted, "She saw one moment of frustration and called it a bad working environment."

Some others blasted Valkyrae for publicly condemning a big star when she only started her acting career. "She's barely in the movie industry and she's already talking drama with one of the biggest stars ... they definitely not calling her back to a set after this," a critic opined.

Jason, meanwhile, has yet to comment on the toxic work environment accusations.