En Tus Pupilas by Shakira is a heartfelt song that delves into themes of love, longing, and emotional connection. The Colombian singer-songwriter expresses deep admiration and affection towards a loved one, metaphorically reflecting on the beauty and depth found in their eyes. These 'pupilas' or pupils symbolize windows to the soul, capturing moments of profound intimacy and shared emotions. The song is a poetic tribute to the nuances of a cherished relationship, encompassing both the highs and the subtle intricacies that make love so compelling.