From the lavish kitchen to a playground for ARCHIE to a home gym, ET goes inside Prince Harry and Meghan Markle’s massive new mansion. Then, David Arquette dishes on his big screen “Scream” reunion with ex Courteney Cox. Plus, we’re getting personal with John Legend. His wild video with wife Chrissy Teigen. And, JAMIE FOXX and JOSEPH GORDON LEVITT gives us an inside look of their new movie “Project Power.” Then, our sweet throwback Thursday surprise for BRANDY. And, is a TV reboot for “Moesha” next?