YOU SAID:

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

INTO JAPANESE

私は2人のかなり親友を見たことがありませんそれは常に彼らの1人はいつも醜い必要があります

BACK INTO ENGLISH

I've never seen two pretty best friends it always has to be one of them always ugly

INTO JAPANESE

私は2人のかなり親友を見たことがありませんそれは常に彼らの1人でなければなりません常に醜い

BACK INTO ENGLISH

I've never seen two pretty best friends it must always be one of them always ugly

INTO JAPANESE

私は2人のかなり親友を見たことがありませんそれは常に彼らの1人でなければなりません常に醜い

BACK INTO ENGLISH

I've never seen two pretty best friends it must always be one of them always ugly