YOU SAID:
piper is best girl and best girl is piper
INTO JAPANESE
パイパーは最高の女の子、最高の女の子がパイパー
BACK INTO ENGLISH
Piper Piper's best girl and best girl
INTO JAPANESE
パイパー パイパーの最高の女の子と最高の女の子
BACK INTO ENGLISH
Piper Piper's best girl and best girl
That didn't even make that much sense in English.