Washington [US], September 20 (ANI): Singer Zayn Malik shared an emotional message for his daughter Khai, who turned four on September 19. The singer expressed how profoundly Khai has influenced his life, stating she is “the most important person” in his journey. In a touching post, Malik, 31, wrote, “I love you more than words allow me to express, beyond proud to call you my daughter. Grateful for every second I get to spend next to you, as you become the incredible person I know you already are.” He accompanied his words with a heartfelt photo of himself holding Khai at the beach, reflecting…