Love, Rosie is a romantic comedy-drama film featuring Lily Collins as Rosie Dunne. The movie follows the lifelong friendship and complicated love story between Rosie and her best friend Alex, played by Sam Claflin. Lily Collins brings a relatable and endearing portrayal of Rosie, capturing the ups and downs of her character's journey through life and love. Love, Rosie is a heartwarming and bittersweet film that explores the complexities of relationships and the power of true friendship.