You can beautify many things. You can beautify your home, or your office. You could add beauty to your face. You could wear glamorous clothes. All external, material things can be beautified.
But the greatest thing of beauty is your heart. The love it contains. The care for others. The warm words. The help you give. Your humanity.
Your real beauty is internal. External beauty is a mere mask. It can't hide your true, inner self.
Make your heart the most beautiful thing.