She trusts him enough to shift her robes and open her wings. They are indeed black bat wings with a dusting of amber brown fur. Though, she doesn't keep them open long and is soon hiding them under the fabric again.

"I would." She giggles at the confession whispered to her. "I think it's a good way to show your affection." Really, no one needed to tell her how Aziraphale felt about Crowley, it was there so clearly in the way he spoke about him. "Mine is curly. It's tricky to braid."