The whole family immigrated to America.

If your aunt is an American citizen and she is your mother's sister, then she can apply for immigration for you and your family. This is a legal procedure, and your aunt needs to submit an application, including relevant information about you and your family, in order to get the approval of the immigration department.

However, the immigration process may take some time and certain conditions need to be met. The specific application procedures and requirements may vary according to the specific situation of you and your family. Therefore, it is recommended that you consult an immigration lawyer or immigration bureau for more information about this procedure.