‘It Ends With Us’ Author Colleen Hoover Shares Her ‘Non-Negotiables’ for Blake Lively-Led Film

Author Colleen Hoover and Blake Lively chat with ET’s Denny Directo about the upcoming film adaptation of the best-selling book, ‘It Ends With Us.’ Blake Lively sends a message to superfans of the book and gushes on Taylor Swift’s music being included in the trailer for the movie. ‘It Ends With Us’ is in theaters Aug. 9.

source