Even if there’s so much work for some, I want to be positive."Guillaume signed off: "And as Marion said so well I hope you get better and aspire to something else in your life besides constantly sending s**t!
"His comments come after Marion confirmed the pair were expecting a baby, before professing her love for him in a heartfelt upload.
After working in various television shows and commercials, Canet made his film debut in the short film "Fils unique".
In 1997, he appeared in the thriller film Barracuda for which he won a prix d'interprétation (best actor award) at the Festival Saint-Jean-de-Luz in 1999.
Cotillard has been dating Guillaume since 2007, although was forced to denied that they had married in 2014.
This pregnancy news comes as Marion has hit the headlines due to a rumoured relationship with Brad Pitt on the set of their new film, Allied.
With all my love Marion.”Social media has become quite popular for these kinds of high-profile denials; see also Ora, Rita or Swift, Taylor.
In 1994, he appeared in the Théâtre Hébertot production of La Ville dont le prince est un enfant with Christophe Malavoy.
He starred in several films like Joyeux Noël, Love Me If You Dare and The Beach.
In 2006, he turned to writing and directing with Tell No One and won a César Award for Best Director.
There is no suggestion that Marion played any part in Brad and Angelina split, and sources close to the former have denied the allegations.
Writing on his Instagram page alongside a warning sign, Guillaume, 43, stated: "I don’t usually make it a habit to comment on rumours made about us.