Carrie Underwood helps James Corden channel his country side in 'carpool karaoke'

Justin Bieber Covers Kanye West and Alanis Morissette with James Corden

The Late Late Show has gone country!

Carrie Underwood joined host James Corden in the passenger seat of his SUV and belted out all her hits for another edition of "Carpool Karaoke." At one point, Corden claimed that Jesus really did take the wheel.

WATCH: Justin Bieber Revisits His Old Hits in 'Carpool Karaoke' With James Corden!

The late-night host was eager to get into the country music scene and Underwood insisted he needed boots before that could happen. "Boots are our roots," she quipped.

Corden was on board until he saw how much the boots cost. "We're not all multi-platinum recording artists. We haven't all had four Billboard number ones. Some of us are on CBS at 12:30," he joked to the 32-year-old singer.

He settled on a cowboy hat, and the two were back on the road!

WATCH: Stevie Wonder Takes the Wheel During Carpool Karaoke With James Corden

See photos of Underwood's looks at this year's CMA awards:

Carrie Underwood CMA Looks
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Carrie Underwood helps James Corden channel his country side in 'carpool karaoke'
Look #2: Carrie kicked-off the show in a curve-hugging pink and red mini dress, complete with sexy cut-outs from Rani Zakhem. She paired the mini with coordinating Guiseppe Zanotti heels. (Photo by Terry Wyatt/WireImage)
Look #3: The "Blown Away" singer blew us away with her rock n' roll fringe dress, bouncy curls and knee-high boots for her performance. (Photo by Terry Wyatt/WireImage)
Look #4: The blonde babe looked like a true southern belle in a long, floral gown and her hair swept back in a low chignon. (Photo by Rick Diamond/Getty Images)
Look #5:  They're a color-coordinated duo! Underwood rocked a midnight blue, ruffled dress to match her co-host Brad Paisley's sparkly suit jacket. (Photo by Taylor Hill/Getty Images)
Look #6: She's out of this world! The former "American Idol" singer hit the stage in an intergalactic number which resembled the starry sky. It featured a high neckline adnd a ruffled train.  (Photo by Taylor Hill/Getty Images)

Corden also inquired about the American Idol alum's husband, Mike Fisher, and his job as a pro hockey player. When asked if the new mom ever got worried about all the fighting that occurs on the ice, Underwood pointed out that the last fight her husband had, he knocked out a guy's tooth. "It was pretty hot," Underwood gushed.

When ET caught up with Corden in August, he revealed his dream list of "Carpool Karaoke" guests. His picks may surprise you:

James Corden Reveals His Dream Carpool Karaoke Guest
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