It’s the sort of moment you can miss if you blink at the wrong time, but even in the slightly out of focus frame, it looks just like the little girl who won the world over in Pixar’s 2001 effort.
Strangely enough, this theory is bolstered even more by two other occurrences in the Toy Story universe.
Looking in the top right corner of this screengrab from the latest trailer for Toy Story 4, Boo seems to be present while Bonnie is hard at work crafting Forky.