YOU SAID:

she looks so perfect standing there in my american apparel underwear

INTO JAPANESE

彼女は私のアメリカのアパレル下着でそこにとても完璧に立っているように見える

BACK INTO ENGLISH

She seems to be standing there so perfectly in my American apparel underwear

INTO JAPANESE

彼女は私のアメリカのアパレル下着でとても完璧にそこに立っているようです

BACK INTO ENGLISH

She seems to be standing there so perfectly in my American apparel underwear