Kearney has recently appeared in Prime Video's A League of Their Own.
McKinnon, who effectively changed queer sketches on the long-running show, stepped into Colleen Rafferty's loose underwear one last time.
McKinnon has been on the show since 2012.
She also dishes on making “legend in her own time” Kate McKinnon giggle.
The West Side Story star and the Saturday Night Live veteran's sketches together were a gift to queer women complete with nods to Dana Scully and the Indigo Girls.