Meet Cailin Russo the girl form "All That Matters"'s music video
Cosmo: First of all, how old are you?
Cailin Russo: I’m 19, but I’ll be turning 20 on December 17.
Cosmo: And how did you get to be the only girl in this video?
CR: I’m with the Osbrink Agency commercially and I just got a casting one day. I’m friends with Dustin the casting director, so I…