The pair starred in 2012 crime thriller The Place Beyond the Pines

However, it now appears the rumours are correct and these two Hollywood leads are indeed set to become parents - that's if Ellen is to be believed.

The Twitterati were quick to react to the happy news - the original tweet from Ellen has already been favourited over 10,000 times.

Stylist contacted a spokesperson from Eva for comment on the story and is awaiting a response.

Gosling has previously talked about his desire to be a father, telling E! in 2011: "I’d like to be making babies but I’m not, so I’m making movies. When someone comes along, I don’t think I’ll be able to do both and I’m fine with that... I’ll make movies until I make babies."

Eva Mendes addresses pregnancy rumours on the Ellen DeGeneres show in March this year

Ellen DeGeneres appears to confirm Eva Mendes and Ryan Gosling are expecting a baby together