[ Crowley looks himself over. ]

'Fraid not angel. It looks like you're the priority. C'mon, let's get you some cakes or -

[ He spots one of the servers with a tray of cookies and snatches one without so much as a thank you. And Crowley usually is very undemonically polite with waitstaff. He breaks off a manageable portion for Aziraphale. ]

Here, this ought to get you back to normal Aziraphale size.

[ Which is, in his opinion, an optimal size and shape. But Aziraphale didn't need him blurting it out. ]