As it turns out, not every day is an "A-OK sunny day" on Sesame Street, as the show's theme song sings. At least, not for the Elmo portrayed on a hilarious custom cake that's been circulating online.

One of the greatest cake fails of all time has to be the magnificent “Emo” cake, where the decorator misread the instructions for an Elmo cake, complete with black and red icing. But this mom’s cake ...