Who else thinks there's a stirring romance hidden there. I mean yes Vegas is the kidnapper but the both of them are getting so comfortable with each other, its almost so CUTE!

They are the secondary main couple

 It's established they will be together

Lol, it was announced that vegaspete are gone be a couple before the show even premiered. They form a couple in the book as well and in the series they will be one too. 

Well if you had any doubt, epi 12 made that VERY clear they a couple now >_<

Uh no, not yet. They haven't officially become a couple yet, they're just fuck buddies right now. 

Uh no, it isn't confirmed yet. They haven't officially become a couple or even said any like or love you romantic shit. They're just fuck buddies right now.