Singer Adnan Sami, who is celebrating the first birthday of his daughter Medina with wife Roya Faryabi, has penned an emotional letter for her, saying that she has helped him find "new meaning to life. Sami further praised his daughter and said, "I belong to the world but she is my world!"He also thanked his wife Roya and said, "My dearest Roya jaan, I can never thank you for the joy you have brought me by giving birth to Medina. Indeed time flies and I'm cherishing every precious moment as these moments happen only once.