Molly Shannon caused peals of laughter with the portrayal of her Saturday Night Live character Mary Katherine Gallagher, who loved to smell her own armpits and proudly called herself "Superstar!" ...

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.