• Brad Pitt and wife Angelina Jolie are rumored to, once again, appear together on set for the upcoming film "Cleopatra."

Brad Pitt and wife Angelina Jolie are rumored to, once again, appear together on set for the upcoming film "Cleopatra." (Photo : Facebook)

"Maleficent" star Angelina Jolie is reportedly not happy with Brad Pitt's fondness for Sienna Miller. Rumors are spreading that she is convinced that her husband is falling for the "'Lost City Of Z" actress.

Miller is one of the main casts in the upcoming documentary film about British explorer Percy Fawcett, with a title "Lost City of Z," produced by Pitt. A hint from a source says that Jolie has been hearing the "American Sniper" actor's name being brought up by her husband regularly since the film first went into production in August, Radar Online reported.

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In the interview, the source revealed, "Sienna really gets under her skin, Brad told her to let him do his job as a producer, and Angelina yelled that she didn't want him near Sienna. They barely talked to each other for the next day."  

"[Angelina] is worried they'll have great chemistry... Her jealousy is getting the best of her," the source added. Brad has also mentioned his desire of casting Miller in another movie.

Meanwhile, Jolie's alleged eating disorder has been reported to also be a source of problems in their relationship. Another insider told Hollywood Life, "[Brad] told her if she doesn't check into rehab for her eating disorder, he's leaving and taking the kids with him."

The insider even added that "Fury" actor Pitt does not want their kids Maddox, 14, Pax, 11, Zahara, 10, Shiloh, 9, and twins Knox and Vivienne, 7 to be exposed to this situation any longer. Pitt is not going to stand by and watch while the mother of his children kills herself, the source revealed.

"Unbroken" Jolie recently admitted that she and Pitt have their issues.