Glaiza Castro Galura-Rainey, also known by her stage name Glaiza de Castro, is a Filipino actress and singer. She began her career as an actress at age 13, appearing in the series Kasangga (2001). De Castro's music career started with the release of her debut album, Glaiza Synthesis, in 2015. De Castro earned a gold record for this album and was named Female Rock Artist of the Year at the PMPC Star Awards for Music that year. Her second album, Magandang Simulain, was released in 2017, featuring the single "Sinta."