Swifties have left George Michael hanging on like a yo-yo over his posthumous work on "The Life of a Showgirl."

On the eve of the release of her 12th album, Taylor Swift received a thank-you note from George Michael’s estate for including his work in her version of “Father Figure.”

“We were delighted when Taylor Swift and her team approached us earlier this year about incorporating an interpolation of George Michael’s classic song ‘Father Figure’ into a brand new song of the sam...