"Schitt's Creek" had a very special guest star on Sunday.<br />The visitor joined the cast of the comedy show while they delivered a commencement video for the class of 2020.<br />In the video, the cast sang Mariah Carey's classic hit, "Hero", and was joined by Ms. Carey herself.<br />Dan Levy, who plays David Rose on the show, pretended to faint as she sang to him and the rest of the cast.<br />Fans of the show know Carey is a running theme on "Schitt's Creek and Carey is a big fan of the show herself.<br />Schitt's Creek ended this year after six seasons.
