Blake Lively on the challenges of portraying Lily in "It Ends With Us"

Blake Lively and Brandon Sklenar are bringing Colleen Hoover's bestselling novel "It Ends With Us" to life in a highly anticipated film adaptation. The book has spent 164 weeks on the New York Times bestseller list, and its devoted fans have waited for the movie's release.

Lively, who plays the lead character Lily, said she felt she had to deliver something meaningful for the audience, who have been fans of the book. 

Sklenar plays Lily's first love, Atlas, and admitted that he wasn't fully aware of the book's popularity.