For those unlucky theater enthusiasts who haven’t had a chance to see Hamilton yet, there have been lots and lots of free preshows — called Ham4Hams — in which creator Lin-Manuel Miranda often brings out a special guest to give a short-and-sweet performance in front of the fawning fans outside the Richard Rogers Theater. Today was no ordinary Ham4Ham, though. Miranda, theater god, brought out Patti LuPone, theater goddess, for a rousing rendition of “Give My Regards to Broadway,†except Miranda was so smitten with LuPone that all he could do was stare longingly, giggle, and sit down for a little bit. We can’t blame him.