Marion Cotillard denies involvement in Brangelina split

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Oscar-winning actress Marion Cotillard has broken her silence to announce she is pregnant and deny a romantic entanglement with Brad Pitt.

The French star, 40, was dragged into Angelina Jolie and Brad's divorce, with reports that she and Brad had an affair while filming upcoming Second World War drama Allied.

Marion has responded to the rumours on her Instagram page, where she has confirmed she is expecting her second child with French actor and director Guillaume Canet.

Marion Cotillard and Guillaume Canet (AP Photo/Thibault Camus)

The couple already have a five-year-old son, Marcel.

The La Vie En Rose star said she had to "speak up" as rumours had been "spiralling and affecting people I love".

She wished Angelina, 41, and Brad, 52, "peace in this very tumultuous moment".

"This is going to be my first and only reaction to the whirlwind news that broke 24 hours ago and that I was swept up into," Marion wrote.

Brad Pitt and Angelina Jolie (Dominic Lipinski/PA)

"I am not used to commenting on things like this nor taking them seriously but as this situation is spiralling and affecting people I love, I have to speak up.

"Firstly, many years ago, I met the man of my life, father of our son and of the baby we are expecting. He is my love, my best friend, the only one that I need.

"Secondly, to those who have indicated that I am devastated, I am very well thank you. This crafted conversation isn't distressing.

"And to all the media and the haters who are quick to pass judgment, I sincerely wish you a swift recovery."

Marion posted the comment next to an image of a bird against an abstract background.

"Finally, I do very much wish that Angelina and Brad, both of whom I deeply respect, will find peace in this very tumultuous moment," she wrote.

"With all my love, Marion."

Angelina filed for divorce from Brad on Monday, citing irreconcilable differences.

She is set to be represented by powerhouse lawyer Laura Wasser, famous for her role in dissolving marriages for Hollywood's A-list stars.

The couple, who have six children, married in 2014 after 10 years together.

Marion and Brad play undercover allies who develop a romantic relationship in new film Allied.

A trailer for the movie, showing the pair kissing, was rushed out after the news broke.

The film's producer, Graham King, is previously reported to have said: "Brad and Marion immediately had the utmost respect for each other, so once they delved into their characters, their chemistry was electric."