The pledge comes after Teigen announced she'd pay any fines that gymnast McKayla Maroney may incur by participating in the trial. "They say that boys just love their mamas", Teigen joked, before adding: "I'm already thinking about how much I'm not going to like his girlfriend".
Teigen previously told PopSugar Luna is in a "nurturing, motherly stage".
The supermodel - expecting her second child with husband John Legend - dressed to impress in black as she wrapped her one-year-old in a pink wool coat.
Spotify Experimenting With New Pandora-Inspired Streaming App
As part of moves to remain competitive, Spotify launched a version of its app for iMessage in September. With the regular Spotify app, you can play any song or band you like with a paid-for membership.
"I took both her hands and John's like, 'What are you doing?'" recounted the model. I took her hands and I got down on my knees and was like 'sorry to bother you, my queen.' Like, who says that? Audience members always sneak a look at Chrissy to see her reaction at that point, with the model admitting she sometimes fakes a tear or two when she knows she's being watched.
The stunning star also revealed to Jimmy that she is five months into her pregnancy.
During the interview, Chrissy asked host Jimmy to guess how pregnant she is, to which the presenter blushed and replied: "I don't know the right answer". "Like, what do you - who am I?"