John Krasinski lost a bet and now has to do this for his wife Emily Blunt once a week

John Krasinski should know better than to bet against his wife! While discussing his new-found culinary skills during an appearance on Jimmy Kimmel Live!,The Hollars star revealed that he is spending a lot of time in the kitchen thanks to a friendly wager with Emily Blunt.

CLICK FOR FULL GALLERY

Photo: John Sciulli/Getty Images for Disney Consumer Products & Interactive Media

"We made a stupid bet and I lost," the actor said. "The bet was Emily said something about Leonardo DiCaprio being 41. And I said, 'How dare you! And I said that cherub of a man, I think that was my quote that cherub of a talent can't be more than 28.'

CELEBRITY MEN WHO LET THEIR WIVES STEAL THE SPOTLIGHT

The 36-year-old continued, “I said he's not over 40, was my thing. She said, 'If I'm right, you have to cook for me every Sunday. And if you're right, you get play Call of Duty once a week.' So I thought, 'Here we go! This is the good stuff.’”

Photos: WireImage/Getty Images

Sadly for John, he lost the bet seeing as the Revenant star is over 40-years-old (Leo is in fact 41). Now the actor, who “just started cooking,” will be making up for lost time in the kitchen. He told the late night host, “It only took me 36 years to learn how to cook for myself.”

EMILY BLUNT PLUS MORE STARS DEBUT THEIR POST-BABY BODIES

John and Emily, who are parents to daughter Hazel, welcomed their second child, Violet back in June. While on the show, the director admitted that his firstborn is "absolutely" enjoying having her sister around.

The proud dad noted, "I truly every single night say I can’t believe these two amazing girls are mine.”

WATCH THE INTERVIEW BELOW

For more of the latest celebrity and royal news follow us @HelloMagUS on Twitter, Pinterest and like us on Facebook.