Mary Katherine responded by quoting Taylor Swift: "Haters gonna hate, hate, hate. Shake it off!" "Shake it off," Harris concurred. Related: Kamala Harris reacts to Maya Rudolph's SNL impression as ...

Don't forget to say: Superstar!" Mary Katherine exclaimed while striking her signature pose. "Thank you, Mamala." Watch the full video featuring Harris and Shannon as Mary Katherine Gallagher above.

But Mary Katherine couldn't leave without saying her catchphrase (which was also the title of her 1999 spinoff movie). "One last thing I want to tell you! Don't forget to say: Superstar!" ...