Ryan Reynolds has revealed the surprising co-star he allegedly argued with the most on the set of Deadpool & Wolverine - and it's not Hugh Jackman.
There are dozens of cameos in the highly anticipated new Marvel movie, meaning there was a chance that some of the stars might have had disagreements at some stage.
One person you might have expected Deadpool star Reynolds to come to blows with is Wesley Snipes, who reprised his role of Blade in Deadpool & Wolverine.
Snipes has previously discussed his so-called hatred of Reynolds - but he was quick it admit he was only kidding and there's actually nothing but love between the two actors.
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So, if it wasn't Snipes that Reynolds argued with on set then who was it, I hear you ask? Well, it turns out the answer is something a lot of parents will relate to.
Taking to Instagram on Thursday (1 August), the 47-year-old actor revealed his most difficult costar was in fact Kidpool.
And following the release of Deadpool & Wolverine, it's been confirmed that the young foul-mouthed star is Reynolds' daughter Inez, seven, whom he shares with Blake Lively.
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Sharing a snap of them on set together, the father-of-four penned: "Only costar I argued with. Most people think Kidpool is the dirtiest. But she’s also pretty good at backtalk and never taking out the trash."
Inez isn't the only one to star in Deadpool & Wolverine of Reynolds and Lively's kids; their adorable one-year-old son Olin makes an appearance as Babypool too.
His eldest daughter James features in the movie as well. According to the credits, the nine-year-old stars as 'screaming mutant'.
Elsewhere, his youngest daughter Betty, four, is listed as 'Hugh Jackman Wrangler'.
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According to Reynolds, Betty has a lot of love for his co-star and close friend Jackman.
"My four-year-old Betty sort of loves Hugh, like unconditionally," he recently revealed to PEOPLE.
"She expresses that love through unblinking violence. So she attacks him, thinking she has claws and he has a healing factor — which he might."
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Cute alert.
Reynolds doesn't always share too much about his family life with Lively, and has only just revealed the name of their youngest child.
Speaking at the Deadpool & Wolverine premiere last month, Reynolds thanked his wife and kids for being in attendance.
"I want to start by saying thank you to my wife Blake, who is here," he began. "I want to thank my kids James, Inez, Betty, Olin, who are here."
Topics: Celebrity, Deadpool, Deadpool and Wolverine, Film and TV, Marvel, Ryan Reynolds, US News, Parenting
Niamh Shackleton