The source revealed, "She sees a text from a mystery number and assumes he's talking to girls… he can be moody and she's insecure."
Pals of Eva say they've noticed a shift in the way the actress talks about their relationship, saying, "She shuts down anyone who brings up Ryan… it's clear something is wrong."
Though Mendes' rep denies any trouble, a source close to Gosling believes the end is near. "I wouldn't be surprised if they split for good soon."
Hot couple Ryan Gosling and Eva Mendes are on the brink of a breakup due to Eva's ongoing jealousy issues, an insider told Us Weekly.