World's cutest ex-couple Ryan Gosling and Rachel McAdams may or may not be back together, and all we've got to say is: please, gods of the Internets, let the rumors be true! We've seen Ryan smooch a lot of ladies — both on screen and off — but nothing, nothing compared to the romantic moments he shared with his The Notebook costar (hello, MTV Movie Awards make out). If you don't believe us, judge for yourself. We're taking a look back at Ryan's lip-locking repertoire, which includes hot costars, ex-girlfriends, guys, dogs, and sex dolls. Ryan's Canadian lips get around, and we like it! So pucker up for his hottest and cutest kisses!