YOU SAID:

I ain’t never seen two pretty best friends, it’s always one of them gotta be ugly

INTO JAPANESE

私は2人のかわいい親友を見たことがない、それは常にそれらの1つが醜い必要があります

BACK INTO ENGLISH

I've never seen two cute best friends, it should always be one of them ugly

INTO JAPANESE

私は2人のかわいい親友を見たことがない、それは常に醜いそれらの1つでなければなりません

BACK INTO ENGLISH

I've never seen two cute best friends, it should always be one of them ugly