Because you've always wanted to know, right? It's a fairly straightforward process. Cut off the doll's head and then saw off the top of her skull. Next, cut the stem of the plastic wine glass (or a glass one, if you're daring) at the level so that the top will fit over the hole in the doll's neck. Shove them together, pour wine, and serve.
Link via The Breda Fallacy's Facebook page | Photo: Edith Zimmerman