Allison Williams Forgot Adults Dress Up for Halloween

Allison Williams talks about watching old videos of her son as a baby, forgetting that adults dress up for Halloween and her parents' obsession with being grandparents. Late Night with Seth Meyers. Stream now on Peacock: https://bit.ly/3erP2gX Subscribe to Late Night: http://bit.ly/LateNightSeth Watch Late Night with Seth Meyers Weeknights 12:35ET/11:35c on NBC. Get more Late Night with Seth Meyers: http://www.nbc.com/late-night-with-se... LATE NIGHT ON SOCIAL Follow Late Night on Twitter:   / latenightseth   Like Late Night on Facebook:   / latenightseth   Follow Late Night Instagram:   / latenightseth   Late Night on Tumblr:   / latenightseth   Late Night with Seth Meyers on YouTube features A-list celebrity guests, memorable comedy, and topical monologue jokes. GET MORE NBC Like NBC:   / nbc   Follow NBC:   / nbc   NBC Tumblr:   / nbctv   YouTube:    / nbc   NBC Instagram:   / nbc   Allison Williams Forgot Adults Dress Up for Halloween - Late Night with Seth Meyers    • Allison Williams Forgot Adults Dress Up fo...   Late Night with Seth Meyers    / latenightseth