Timothée Chalamet told a hilarious story to Ellen about a prank he once played on his mom that left her naked and locked outside on a cruise ship balcony. Plus, the "Beautiful Boy" star admitted that going to Hollywood events like the Golden Globes and Oscars continues to be surreal and nerve-wracking, despite his success.

#TimothéeChalamet
#BeautifulBoy
#TheEllenShow