It Ends With Us: Justin Baldoni and Colleen Hoover on Blake Lively and Fan REACTIONS (Exclusive)

Justin Baldoni and Colleen Hoover chat with ET's Denny Directo about 'It Ends With Us,' in theaters on August 9. Justin, who is directing and starring in the film, gushes over his 'chemistry' with his co-star, Blake Lively. Plus, Colleen, the author of the best-selling book, gives an inside look on what changes fans can expect to see in the film.