The Wall Street Journal crossword can be very challenging. But we are here to help! Today we will help you find the answer to the clue He guested on Katy's #1 hit 'E.T.'. After hunting for any other hints and relevant information in the Wall Street Journal crossword puzzle we've found the answer to the clue He guested on Katy's #1 hit 'E.T.'. The answer to the clue He guested on Katy's #1 hit 'E.T.' is: