American singer-songwriter Taylor Swift, who turned 31 on Sunday, has dropped a remix of her single 'Willow', naming it as 'dancing witch' version. After treating her fans with the release of new album 'Evermore', persuaded by her blockbuster 'Folklore' on Friday, Taylor dropped the remix version of her new single Willow on Sunday which marked her 31 birthday.

Taking it to Instagram, the 'Lover' star shared a monochrome picture of her from a garden and wrote, "Not to be all 'iTs mY BiRtHdAY & I jUsT wAnNa DaNcE' but... it is and I do. So we've released the willow dancing witch version, remixed by Elvira, a badass female producer I really respect," using a flexed arm and dancing lady emoticon.