posing a question to her followers: “Fleetwood Mac or Chicago?”The straightforward choice between the two beloved rock groups went viral, and has since racked up more than 1,700 likes and 4,200 responses.“Chicago!!!!!” voted one enthused devotee of the “If You Leave Me Now,” and “You’re the Inspiration,” artists. “I know ppl will unfollow but I have always hated Stevie Nicks.