Gosling, 33, was photographed holding onto his phone as he stood behind Mendes' driveway gate. With only his upper body exposed, the 'Gangster Squad' actor was spotted smiling in the picture, reported Us magazine.
Speculation of a split between the couple of two years has surfaced as of late.
Gosling was also seen driving Mendes' SUV in Beverly Hills on February 9. The hunk and 'Girl in Progress' star haven't been photographed together in three months; they were last seen smiling arm-in-arm during a a Thanksgiving stroll in NYC.