Diane 'Dee Dee' is Bernice Blackstock's youngest daughter. After months of bed rest, Bernice gave birth to her second daughter on 21st September 2004, the day her mother Diane married Jack Sugden. The newlyweds immediately rushed down to Brighton to visit Bernice and the 8lb 4oz tot, whom Bernice and her partner Charlie named Diane after Bernice's mother. In November 2017, Dee Dee arrives unannounced in Emmerdale and reunites with Bernice, Gabby and Diane. Bernice and Gabby admit to Diane they exaggerated their life to make it seem glamorous to Dee Dee.