YOU SAID:
I love my girlfriend's best friend's shoe's color
INTO JAPANESE
彼女の親友の靴の色が大好き
BACK INTO ENGLISH
I love the color of her best friend's shoes
INTO JAPANESE
彼女の親友の靴の色が大好き
BACK INTO ENGLISH
I love the color of her best friend's shoes
That didn't even make that much sense in English.