Luceros literally means "bright stars" or "morning stars". It's a beautiful and common poetic term in Spanish used to describe someone's bright, shining eyes.
In the song, Shakira sings "Tus dos luceros es to' lo que quiero" (Your two bright stars are all that I want), using this romantic metaphor to express how captivating her lover's eyes are. Learning this word is a great way to discover the poetic side of Spanish love songs!
Shakira brings pure, high-octane passion to this pop track, and she does not hold back on the drama. Right from the start, she treats this romance like a lifelong search that finally ended when her lover showed up. She gets totally swept away by physical details, admitting that desire is eating her alive every second: Las ganas de ti me devoran / Los segundos de todas las horas ("Desire for you devours me / Every second of every hour"). The lyrics lean heavily into intense romance, begging for non-stop kisses and ignoring the rest of the planet because the night is just getting started.
There are a couple of great Spanish expressions to look out for while you listen. Shakira sings, Tus dos luceros es to' lo que quiero ("Your two bright stars are all I want"). Here, she uses luceros (literally morning stars or bright lights) as poetic slang for bright eyes, before bluntly adding that she would die without their blue eyes (Sin tus ojos azules me muero). You will also notice to' instead of todo, which is how people naturally drop sounds in fast, casual speech. Throughout the song, she shouts ¡Adentro! ("Inside!"), locking in the idea that she carries this person deep in her heart—or as she puts it, carrying them inside no matter what.