Taylor Swift released a music video for her new song "Willow," the lead single off her surprise ninth studio album, "Evermore," which she's described as the "sister album" to her critically acclaimed eighth album, "Folklore." The magical music video is full of Easter eggs and references to "Folklore," including the songs "Exile," "Mirrorball," "Seven," and "Mad Woman." The video for "Willow" also references songs from other eras like "Reputation" and "Lover," and possibly hints at her relationship with longtime boyfriend Joe Alwyn.