On My Knees: The Best of Jaci Velasquez is the greatest hits album by Christian pop sensation Jaci Velasquez. It featured songs from all five of her albums, including "On My Knees", "God So Loved" and "Every Time I Fall".This CD contains a good selection of songs showcasing the great voice that is Jaci Velasquez's - a voice that is reminiscent of Mariah Carey with a Latin vibe. My favorite song is "Un Lugar Celestial.