Last week, Buckingham and Nicks sent Fleetwood Mac fans into a tizzy when they both shared cryptic posts of lyrics from their song “Frozen Love” on Instagram.

Nearly three decades later, and her magic is still holding fast: The former couple—whose tumultuous relationship transformed Fleetwood Mac into a rock band as infamous for its romantic dramas as its ...

“What in the ‘Silver Springs’ is going on around here!!!!” one fan commented on Nicks’ post, in reference to her now-beloved late 1970s track about the end of her romance with Buckingham, which he al...