Sentence:  Presenting Silverstone as the protagonist of the former "Cyrin" clip in the context of the narration of the "Amazing" video also hints at a “sideways metalepsis” (a metalepsis between storyworlds) or the “breaking of the <WSD>fifth wall</WSD>” which is supposed to separate the different storyworlds in which one and the same actor/actress plays different roles. 
Meaning of the word marked with <WSD> tags:  The division between the fictional world depicted, and the actual actors, props, etc.