This Bonnie Wright photo contains
robe de cocktail, gaine, robe de dîner, formel, robe de soirée, and formelle.
There might also be
bustier, épaules nues, bretelles, nus, bretelles épaules, robe, and robe.
Bonnie Wright lights the Christmas lights at Marlybone (London) on Nov 17, 2006. Used my phone for this one so quality is a bit low. Enjoy all toi HP fans.