Saturday Night Live Halloween Costumes
Memorable SNL Characters That Make For Hilarious Halloween Costumes
Mary Katherine Gallagher
- What to wear: A plaid skirt, a white blouse, a vest, and knee socks, plus the must-have accessories: a headband and black glasses.
- How to act: Really nervous and clumsy. Regularly stick your hands under your armpits and, you know, smell them. Oh, and don't forget to tell everyone you're a superstar!