CMT Awards 2018: Hottest couples on the red carpet

Must be the Tennessee summer air -- country couples were hot and heavy at the 2018 CMT Awards!

Most excited to flaunt their love were Kelsea Ballerini and husband Morgan Evans, who tied the knot in 2017. The newlyweds couldn't stop smooching and smiling at each other on the red carpet. The 24-year-old songstress was nominated for two awards of the night.

Also happy to be by each other's sides were Lindsey Vonn and beau P.K. Subban, who before last night hadn't formally confirmed their relationship.

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CMT Awards 2018: Couples on the red carpet
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CMT Awards 2018: Couples on the red carpet
NASHVILLE, TN - JUNE 06: Mike Fisher and Carrie Underwood arrive at the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Jason Davis/FilmMagic)
NASHVILLE, TN - JUNE 06: Morgan Evans (L) and Kelsea Ballerini attend the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Michael Loccisano/WireImage)
NASHVILLE, TN - JUNE 06: Morgan Evans and Kelsea Ballerini attend the 2018 CMT Music Awards at Nashville Municipal Auditorium on June 6, 2018 in Nashville, Tennessee. (Photo by Jeff Kravitz/FilmMagic)
NASHVILLE, TN - JUNE 06: Morgan Evans and Kelsea Ballerini attend the 2018 CMT Music Awards at Nashville Municipal Auditorium on June 6, 2018 in Nashville, Tennessee. (Photo by Jeff Kravitz/FilmMagic)
NASHVILLE, TN - JUNE 06: P.K. Subban and Lindsey Vonn attend the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Lindsey Vonn and P. K. Subban attend the 2018 CMT Music Awards - Backstage & Audience at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Rick Diamond/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Jason Aldean arrives at the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Jason Davis/FilmMagic)
NASHVILLE, TN - JUNE 06: Jon Pardi arrives at the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Jason Davis/FilmMagic)
NASHVILLE, TN - JUNE 06: Luke Bryan arrives at the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Jason Davis/FilmMagic)
NASHVILLE, TN - JUNE 06: Florida Georgia Line arrives at the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Jason Davis/FilmMagic)
NASHVILLE, TN - JUNE 06: Graham Rahal and Courtney Force attend the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Rick Diamond/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Recording Artist Drake White arrives at the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Jason Davis/FilmMagic)
NASHVILLE, TN - JUNE 06: Dee Jay Silver arrives at the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Jason Davis/FilmMagic)
NASHVILLE, TN - JUNE 06: Jillian Cardarelli arrives at the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Jason Davis/FilmMagic)
NASHVILLE, TN - JUNE 06: Russell Dickerson arrives at the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Jason Davis/FilmMagic)
NASHVILLE, TN - JUNE 06: Dylan Scott arrives at the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Jason Davis/FilmMagic)
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Meanwhile, Carrie Underwood and Mike Fisher briefly posed for the paparazzi together, and Jason Aldean and his wife Brittany perfectly color-coordinated in blue.

We always love seeing what Luke Bryan's wife, Caroline, will wear on the red carpet, and she definitely didn't disappoint! Her shimmery bronze mini was perfect for the lighthearted but glam occasion. The two wed more than a decade ago in 2006, and they still love goofing off for the cameras together!

Of course, plenty of stars hit the event solo. Blake Shelton arrived without girlfriend Gwen Stefani.

See all the CMT arrivals in the gallery below:

42 PHOTOS
CMT Awards 2018: Red carpet arrivals
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CMT Awards 2018: Red carpet arrivals
NASHVILLE, TN - JUNE 06: Carrie Underwood attends the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Carrie Underwood attends the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Kelsea Ballerini attends the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Jason Aldean and Brittany Kerr attend the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Kelly Clarkson attends the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Caroline Boyer and Luke Bryan attend the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Lauren Alaina attends the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Cassadee Pope and Blake Shelton attend the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Rick Diamond/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Kristian Bush (L) and Jennifer Nettles of musical group Sugarland attend the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Brittney Marie Kelley, Brian Kelley and Tyler Hubbard of Florida Georgia Line, and Hayley Hubbard attend the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: (L-R) Howie Dorough, Nick Carter, Kevin Richardson, AJ McLean, Brian Litrell of Backstreet Boys attend the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Hoda Kotb attends the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Michael Loccisano/WireImage)
NASHVILLE, TN - JUNE 06: Lennon Stella and Maisy Stella attend the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Garrett Hedlund attends the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: (L-R) Jimi Westbrook, Karen Fairchild, Kimberly Schlapman, and Philip Sweet of Little Big Town attend the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Michael Loccisano/WireImage)
NASHVILLE, TN - JUNE 06: Jack Rucker and Darius Rucker attend the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Chrissy Metz attends the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Dierks Bentley and family attend the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Lindsey Vonn attends the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Nico Tortorella attends the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Mike Fisher and Carrie Underwood attend the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Michael Loccisano/WireImage)
NASHVILLE, TN - JUNE 06: Morgan Evans (L) and Kelsea Ballerini attend the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Brooke Hogan attends the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Luke Bryan attends the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Cassadee Pope attends the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Mason Ramsey attends 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Michael Loccisano/WireImage)
NASHVILLE, TN - JUNE 06: Brandon Stansell attends the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Chris Lane attends the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Earl Dibbles Jr. attends the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Trent Harmon (L) and Kathleen Couch attend 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Michael Loccisano/WireImage)
NASHVILLE, TN - JUNE 06: Summer Duncan (L) and Jon Pardi attend the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Stephanie Quayle attends the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: RaeLynn attends the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Meghan Linsey attends the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Doug the Pug and guests attend the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Kaitlin Doubleday attends the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Luke Pell attends the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Nico Tortorella and Bethany Meyers attend the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Kane Brown attends the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
NASHVILLE, TN - JUNE 06: Joel McHale attends the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Michael Loccisano/WireImage)
NASHVILLE, TN - JUNE 06: Leon Bridges attends the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Michael Loccisano/WireImage)
NASHVILLE, TN - JUNE 06: Carly Pearce attends the 2018 CMT Music Awards at Bridgestone Arena on June 6, 2018 in Nashville, Tennessee. (Photo by Mike Coppola/Getty Images for CMT)
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