It's "beautiful back then" as in "you were once a sweet little girl, so innocent and pure." And the last line is "You could be beautiful again," which is alluding to Christ forgiving her and cleansing her of her sins, making her innocent and pure once again.
It's "beautiful back then" as in "you were once a sweet little girl, so innocent and pure." And the last line is "You could be beautiful again," which is alluding to Christ forgiving her and cleansing her of her sins, making her innocent and pure once again.