It does fit and, surprisingly, Lady Bean was pretty cool with me putting the sock on her with the needles to test the size. I was happy it fit and so I motored on and finished.
Now, I just need to crank out the other one. Pronto. Mucho pronto. So pronto that they both will fit for at least one wear. Otherwise I am just going to have to chew off her toes to make 'em fit. Baby toes ... yummmmm!