"My ex man brought his new girlfriend /She’s like, 'Oh my God' / But I’m just gonna shake / And to the fella over there with the hella good hair / Won’t you come on over, baby? / We could shake, shake."
Surprised? Well, it was really only a matter of time, as Swift has been dipping her baby toe in the proverbial rap pond for years now. Don't believe us? Check it out: