The song "She's My Girl" by Billy Gilman is a love song expressing the singer's deep admiration and affection for his girlfriend. The lyrics highlight how the singer's girlfriend captivates and mesmerizes everyone around her, making all the other guys envious and infatuated. Despite the attention she receives from others, the singer proclaims that he is the luckiest person to have her as his own. The song portrays the singer's girlfriend as a heavenly figure, referring to her as a "walkin' talkin' angel baby" and a "24-7 piece of heaven." He believes that she is unique and unmatched, stating that God never created another person quite like her. The love the singer feels is emphasized through descriptions of her shining eyes and the overwhelming emotions he experiences when he kisses her. The chorus repeats the sentiment that there is no one quite like the singer's girl, emphasizing her beauty and charm. The lyrics further describe the way she moves and grooves, driving the singer wild with her infectious smile. He feels connected to the universe when they are together, and their relationship is described as a thrilling and mind-blowing journey. Overall, "She's My Girl" is a heartfelt declaration of love and admiration for the singer's girlfriend. It showcases the special connection they share and expresses the singer's gratitude for having such an incredible partner in his life.