你笑起来很好看，英文怎么翻译？

You have nice/wonderful smiles~ You look pretty/beautiful when you smile~

You are so beautiful when smiling

You look pretty when you smile.

you look so beautiful when you are smiling.我在国外生活，他们称赞人微笑有魅力的时候就这样说。

You look so beautiful when/while you are smiling. You look beautiful when/while smiling.