Linda Perry has sent out some tweets alleging Gaga had no part in the writing process of Till it Happens to You. https://mobile.twitter.com/RealLinda...64807332450304 https://mobile.twitter.com/RealLinda...55106943844353 In response to a Lady Gaga fan who tweeted "BOTH WROTE IT" (referring to Gaga and Dianne Warren), Linda Perry tweeted "no Diane did.. Now shoosh it."