"Ngiti" was released on August 25, 2013, as the fourth single included on the album's repackaged version titled, Doin' It Big: Platinum Edition. It features singer Gary Valenciano. JV and Valenciano performed the song for the first time at the noontime musical variety show ASAP 18 during the same day of its release on August 25, 2013. A different version of the song was later included on Valenciano's album, With You, which was released on February 11, 2014. In this album, Valenciano's vocals are more prominent than JV's.
