The narrator sees a mysterious girl in the crowd and becomes mesmerized by her, questioning her identity and feelings towards him. He describes her as having enchanting eyes and a magical smile, expressing a desire to find her even if it means traveling halfway around the world.

Meaning of "Who's That Girl" by Darin

"Who's That Girl" speaks to the universal experience of infatuation and the allure of mystery and the unknown. The narrator's intense fascination with the girl he saw in the crowd brings to light the feelings of curiosity, longing, and admiration that often accompany a crush. The lyrics convey a sense of urgency and determination as the narrator expresses a willingness to go to great lengths to uncover the identity of this mysterious girl. Additionally, the repeated refrain "Who's that girl" emphasizes the theme of searching for connection and understanding in a world full of unknown faces. Overall, the song captures the excitement and uncertainty of developing feelings for someone new and the desire to bridge the gap between strangers.