Oh la la!
The Tiz was positively radiant in the simple yet absolutely elegant Issa gown with side cut-outs that made the most of her gorgeous bod.
She completed her look with a loose updo, gemstone cuff, and ivory LK Bennett clutch.
Ashley was completely flaw-free, but what do you expect when you wear two of Kate Middleton's faves?
[Image via Daniel Tanner/WENN.]