Stevie Nicks and Lindsey Buckingham seem to be teasing a project after posting coordinated Instagram updates with the lyrics to "Frozen Love." Days later, a billboard with their portrait popped up in Los Angeles with the date Sept.

Stevie Knicks and Lindsey Buckingham alluded to the possible project by posting lyrics from their song, Frozen Love.

Stevie Nicks and Lindsey Buckingham are sparking reunion buzz after a cryptic billboard appeared on Los Angeles’ Sunset Boulevard this week.