Don't let your Halloween night end the way it did on 'SNL'

No matter how cute your costume and meticulous your makeup is at the start of Halloween, the holiday has a way of taking a turn for the worse.

On Saturday Night Live, Aidy Bryant, Vanessa Bayer and Cecily Strong star in a sketch that highlights that juxtaposition of the usually-sunny beginning of October 31 that has the girls taking attractive selfies and drawing whiskers, with the scary ending that finds the stars drunk, belligerent and disheveled.

Let that be a lesson to those planning to celebrate Monday night: Be careful!

By the way, Bryant has worn the mouse costume before. She shared photos of herself from 10 years ago: