By Mike Krumboltz, Yahoo!
Tue, Jan 03, 2012, 12:00 am PST
How do you know when a relationship is getting serious? Simple – when you meet your man's mom. Mendes recently spent some time with boyfriend Ryan Gosling as well as his mom, Donna. Ryan and Donna met up with Eva to take in a movie in uptown Manhattan. A source told People magazine, "They all hung out and went to the movies together. Ryan and Eva seemed very happy."