'It Ends With Us' Trailer: Blake Lively & Justin Baldoni Fall In Love To Taylor Swift Song

"It Ends with Us" is almost here! The highly anticipated film adaptation of Colleen Hoover's bestselling novel dropped its first official trailer on May 16, starring Blake Lively and director Justin Baldoni as Lily and Ryle. Fans raved over the sneak peek, which included a surprise cameo from the Taylor Swift song "My Tears Ricochet." "It Ends with Us" is exclusively in theaters starting Aug. 9.