livesandliesofwizards:

Few people realize that in her youth the Fat Lady was a great beauty and the toast of the Wizarding World. Why, she turned down Godric Gryffindor himself no less than five times, forcing him to content himself with only paltry tokens of her affection, and the portrait guarding Gryffindor Tower is the last - but not the only - one ever painted of her. In fact she had countless portraits done; today they are of enormous value to collectors and many are hidden away in Gringotts for their tremendous loveliness and value.