If she does sign up, the show will coincide with the 60th anniversary of her music career, and the second instalment of Cher’s memoir which is expected to come out next year, following part one this November.
It would be the Believe singer’s first time ever playing at Worthy Farm — even though she has been making music since before the event even started.
She was joined by stars including Miley Cyrus, Coldplay's Chris Martin, Lady Gaga, Bad Bunny, The Roots, Arcade Fire and Backstreet Boys, as well as SNL's Tina Fey and Maya Rudolph.
SNL creator Lorne Michaels told Emmy magazine recently: "I've been forced to believe it's the 50th season because I was there for most of it, but we still take it one week at a time.
Last year, the American superstar entered into "meaningful discussions" about playing the coveted Sunday afternoon "legend's slot" at Glastonbury for its 60th anniversary.
