The Queen of Christmas also talked about when it's appropriate to start jingling your bells.
The singer also described her family's outrageous Halloween set-up and her intimate Las Vegas residency in Monday night's (Oct. 16) interview.
The Grammy winner had some thoughts about her sole Billboard Hot 100 No. 1 hit. See what she said.
“We’ve been filming the whole creation of the next album we’re working on,” Eilish admitted on "Kimmel".
The band also joked about drummer Lars Ulrich's obsessive set list fetish.
"Kimmel" was a handy warm-up for the reunited band.
MGK is a "Baker" in name only.
The Colombian singer-songwriter and his wife sang "Indigo," an ode to their daughter.
“That was a lot,” she recounts of her 2017 AMAs performance. “I was a lot higher than I wanted to be.”