O Allah, as You have made my outward form beautiful, so make my character beauti — Looking in Mirror
اللَّهُمَّ كَمَا أَحْسَنْتَ خَلْقِي فَأَحْسِنْ خُلُقِي
Transliteration: Allaahumma kamaa ahsanta khalqee fa-ahsin khuluqee
Translation: O Allah, as You have made my outward form beautiful, so make my character beautiful.
Reference: Ahmad, Al-Bayhaqi