Cher has confirmed she and Lady Gaga are to duet on a new song.
The 66-year-old singer and actress revealed on Twitter that she is working with producer Timbaland on a new studio album to be released in time for Christmas.
Lady Gaga will feature on one of the tracks, which currently has the working title of The Greatest Thing.
Cher tweeted praise her way, stating: "GAGA IS MAJOR&Her VOCAL IS AMAZING!"
