Sidney Prescott’s not done screaming. “Scream” star Neve Campbell announced on Instagram Tuesday that she’ll be back for “Scream 7” — marking her sixth appearance in the franchise. “I’m so excited to announce this news!!!” she wrote in a post accompanying a photo of the screenplay. “Sidney Prescott is coming back!!!! It’s always been such a blast and an honor to get to play Sidney in the Scream movies. My appreciation for these films and for what they have meant to me, has never waned.” Neve Cambell confirmed she will return to the role of Sidney Prescott in “Scream 7.”...