Won't Last a Day Without You is a 2011 Filipino romantic comedy film directed by Raz dela Torre from the screenplay he co-wrote with Melissa Mae Chua and Carmi G. Raymundo, based on a story by Chua. The film stars Sarah Geronimo and Gerald Anderson with the special participation of Joey de Leon.

Sarah Asher Tua Geronimo is a Filipino singer and actress. Known for her musical versatility and performances, she is a recipient of numerous accolades, including a Billboard Women in Music Award, an Mnet Asian Music Award, an MTV Europe Music Award, a Classic Rock Roll of Honour Award, and a World Music Award. Tatler magazine named her one of the most influential people in Asia in 2021.