"Only You" is a song by Jaci Velasquez, a Latin pop and Christian music artist. The song is about finding love and the transformative power of that love in a person's life. In the song, Velasquez sings about how only one person, that is, her significant other, has the ability to move her and impact her life in such a profound way. She believes that together, they can achieve great things and make the world a better place. The person she is speaking to has brought light and purpose into her life, giving her a sense of existence rather than just going through the motions. The lyrics express her gratitude towards this person for being the guiding starlight in her life, giving her the strength to overcome obstacles and reach new heights. The song acknowledges the power of love, as it has the ability to change and improve a person. The overall message of the song is that true love has the strength to transform and uplift an individual, and with that love, they can bring positive change to the world. It emphasizes the importance of finding that one person who can bring out the best in you and help you shine brightly.