May. 10, 2012 Posted 4 months ago Nag-Iisang Puso starring Kathryn Bernardo, Daniel Padilla, Sharlene San Pedro, and Jairus Aquino Nag-Iisang Puso is a Filipino teen drama TV series aired on ABS-CBN . It is top billed by Princess & I stars Kathryn Bernardo , Daniel Padilla , Sharlene San Pedro