Dylan O’Brien REACTS to ‘All Too Well’ Short Film and Swiftie Response (Exclusive)

ET’s Nischelle Turner speaks with Dylan O’ Brien at the premiere for Taylor Swift’s short film, ‘All Too Well,’ in which he stars alongside Sadie Sink. The actor opens up about getting the call to be part of the project, what it was like working with Taylor and Sadie, and how he feels about being part of the Swiftie universe now. Exclusives from #EntertainmentTonight :    • NEW From Entertainment Tonight