Dax Shepard Says He's Telling His Kids the Truth About Christmas, Gushes Over 'Adorable' Wife Kristen Bell

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Dax Shepard is all about telling his kids the truth. So when it came time to explain Christmas to his 2-year-old daughter Lincoln, he didn’t pull any punches.

“I said, ‘There’s gonna be a guy stopping by on Christmas Eve in a red jumpsuit with combat boots. Huge Grizzly Adams beard, he goes by Kristopher Kringle or St. Nick, he’s got a lot of aliases,’” the 40-year-old actor joked on Thursday’s Ellen. “I said, ‘and he’s gonna show up riding a team of endangered animals. He’s gonna park them on the roof then he’s gonna repel in. He’s gonna root around the area for a while, eat some cookies and what not.’”

WATCH: Why Dax Shepard & Kristen Bell Named Their Daughter Delta

Shepard’s daughter understandably had some follow-up questions.

“She said, ‘Is he married?’ and I said, ‘You know he’s married, but he travels a lot. I don’t know what his real arrangement is,’” he continued. “‘He hangs out with a lot of children, they’re his employees.’ So she’s excited, she can’t wait to meet this felon.”

The actor, who has been married to House of Lies star Kristen Bell since 2013, also opened up to Ellen about casting his “adorable” wife in the upcoming CHiPS reboot that he is writing, directing, and starring in.

“I was nervous ‘cause she has to play very unlikable and I started telling her I’m not positive I want to hire you, because you’re just so intrinsically likeable,” he said. “Then, she got offended that I thought she was a bad actress. So then I had to tell her she was very unlikable and that was a disaster...I just said ‘Okay you’re hired and let’s stop talking about this. I’ll see you on set.’’

WATCH: Kristen Bell and Dax Shepard Taught Their Two-Year-Old Daughter Lincoln to Quote 'Game of Thrones'

Shepard showed up for Ellen in full CHiPS gear, joking that Bell likes him in the highway patrol getup.

“I think Kristen stopped seeing me as a sexual being a few years ago,” he said with a laugh. “But sometimes, she’ll see someone looking at me and go ‘Oh, that’s a weird look on them. Oh, yes he looks attractive.’ No, I’m teasing. She thinks I look studly.”

WATCH: Kristen Bell Reveals How She & Dax Shepard Survived the Times They Hated Each Other