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.

She ended her Mary Katherine Gallagher sketch with an impromptu final ... in her heart despite her rising success as a comedian actress because she missed her mom. "The character is a survivor ...

Laugh along with her fearlessly funny characters like brazen schoolgirl Mary Katherine Gallagher and Joyologist Helen Madden. Plus, see sketches that were cut after dress rehearsal.