but she did tape a video—one that was crashed by longtime "Saturday Night Live" character Mary Katherine Gallagher, played by Molly Shannon.

As Harris kicks off her speech, Shannon's Mary Katherine Gallagher, a character she originated on Saturday Night Live in the 1990s, is quickly seen running across the screen behind her.

During Season 22 in 1996, Whitney Houston appeared in one of the popular Mary Katherine Gallagher sketches on “SNL” when she served as that episode's musical guest, but Molly Shannon ...