Did you know that Gwen Stefani and A$AP Rocky are birthday buddies? Well they are — and the big day is today. HBD guys! (We're hoping our invitations are in the mail?) While we're on the topic, we'd like to take this opportunity to put forth our rather controversial (but essentially undeniable) theory that not only are the pair astrologically linked, they're also style twins. Not buying it? Let us present you with the evidence…