you are my girl和you are my girlfriend有什么区别?

you are my girl和you are my girlfriend有什么区别? Are you willing to be my girlfriend you ere my wife You are my girlfriend You are my super girl You are my belove girl! you are my latin girl you are my girl forever Grow up you are willing to do my girlfriend? You are willing to do what my girlfriend You are all my memories 和 You are my all memories 有什么不同? everyday,you are my girl oh baby ,your are my You are the girl in my heart