Coronation Street, and fellow Corrie and Emmerdale stars shared heartfelt messages following the tragic news of her death, the Manchester Evening News reports. Lisa Riley, who played Rebecca Patterson in Fat Friends and stars as Mandy Dingle in Emmerdale, described Mellor as "the best boss". READ MORE: Kay Mellor, writer of Coronation Street, Fat Friends and The Syndicate, dies aged 71 She said on Twitter after the sad news broke: "DEAREST KAY REST IN PEACE…….