According to fans, former 'SNL' star Molly Shannon has "completely lost her ... on 'Saturday Night Live' and cult-favorite ...

Related: SNL's Molly Shannon on how childhood tragedy inspired ... Don't forget to say: Superstar!" Mary Katherine exclaimed ...

Molly Shannon reflects on 'Superstar's milestone 25th anniversary at the season 4 premiere of 'Only Murders in the Building' in LA.. 'The Hangover' star joins the cast in an undisclosed role ...

While Harris was absent at the dinner, instead spending time with the Wisconsin cows, she sent in a video co-starring Molly Shannon as her beloved Superstar character Mary Katherine Gallagher ...

While recording a her remarks for the dinner, Harris' video was interrupted by none other than Molly Shannon, who resurrected her Catholic schoolgirl character Mary Katherine Gallagher from her ...

Related: SNL's Molly Shannon on how childhood tragedy inspired her Mary Katherine ... "One last thing I want to tell you! Don't forget to say: Superstar!" Mary Katherine exclaimed while striking her ...