“Romeo & Juliet” thesp Christian Cooke is stepping into a more modern romantic love story, coming aboard to co-star with Lily Collins and Sam Claflin in the indie “Love, Rosie.”

Christian Ditter is helming, with Tamsin Egerton also attached to the project.

The film is based on the Cecelia Ahern tome and revolves around two best friends whose relationship is tested when one of them moves from Dublin to America.

The pic is a Canyon Creek Films production, with Simon Brooks and Robert Kulzer producing.

Cooke most recently played Mercutio in “Romeo and Juliet,” starring Hailee Steinfeld, and can be seen on the Starz skein “Magic City.” He also stars in the Paramount pic “Destination Wedding.

He is repped by WME, United Agents and Management 360.