Mario Martines, costume department head designer for the show, tells PEOPLE what goes into the year-long process of making the sweaters

Darlene Love to perform holiday classic on 'The Tonight Show' as Jimmy Fallon carries on David Letterman tradition

OpenAI co-founder and CEO Sam Altman was recently on The Tonight Show with Jimmy Fallon, where he spoke about the proliferation of AI and ChatGPT in everyday life. This was where one particular comment about his newborn raised a few eyebrows. "And do you use ChatGPT when raising your baby?" asked Fallon.

Back in New York City, Aryna Sabalenka made another appearance on The Tonight Show Starring Jimmy Fallon. The host requested that the World No. 1 sign his forehead, and she was happy to oblige.

The Tonight Show is quick break before Thanksgiving. NBC announced that its premiere talk show hosted by Jimmy Fallon will air a rerun on Monday. On Nov. 24, the show will re-air the episode with Rosalia and DJ Khaled that originally premiered on Nov. 16.

Milwaukee native Kon Knueppel has taken the NBA by storm, something he discussed on a late-night appearance with Jimmy Fallon.

Hegseth finds himself in hot water over legally murky airstrikes on suspected drug smugglers at sea. A follow-up attack on survivors of one such attack is now generating accusations of a possible war crime. Hegseth said an admiral ordered the second launch.

Millie Bobby Brown joined Jimmy Fallon for a "Road Trip Medley" Sunday. She co-hosted "Tonight" Sunday and promoted "Stranger Things" Season 5.