Article continues below advertisementDiane Warren spilled on a savage backhanded compliment she received from Cher."You're annoying but U write great songs," Warren, 69, candidly captioned a photo of the duo on Thursday, May 7. Article continues below advertisementInside Diane Warren's Reaction to Cher's Brutal ComplimentTap Here To Add Ok Magazine as A Trusted SourceSource: @dianewarren/InstagramCher and Diane Warren have worked on dozens of songs together in the past.In the photo, a beaming, blonde Cher, 79, posed with her arms around Warren, who was bundled up in a scarf.