Cher confirms duet with Lady Gaga

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.

Gaga will feature on one of the tracks, with the working title 'The Greatest Thing'.

think ALL SONGS R Great so Far& I'm not Big Fan!GREAT Writers!GAGA IS MAJOR&Her VOCAL IS AMAZING!KUK Heard TGTLast nite 4 1st Time & FREAKED

— Cher (@cher) July 30, 2012