So... I had taken a lot of pictures of these... without my SD card in my camera so these cupcakes that you see here are actually the leftover cupcakes (and probably not the prettiest, I mean the bottom Cookie Monster looks likes he's going to cry! There weren't even any leftover Cookie Monsters, I made two more for the picture!)
And of course, here's the tutorial on how to make these decorations from Annie's Eats. She did SUCH an amazing job with these and even had a whole Sesame Street themed party for her son and if you get a chance, you should look it all the party decorations/invitations/food/etc.