Kylie Jenner cuddled up to boyfriend Travis Scott on the red carpet.
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Grammys host Alicia Keys and husband Swizz Beatz — who wore a black suit with red details to coordinate with his missus — shared a passionate kiss on the red carpet.
Back-on couple Offset and Cardi B touched tongues on the red carpet.
Meghan Trainor's new husband, Daryl Sabara, kissed her on the cheek on the red carpet.
Kacey Musgraves and her husband, Ruston Kelly, shared the look of love on the red carpet.
Kelsea Ballerini and her husband, Morgan Evans, puckered up on the red carpet.
Evan Ross and wife Ashlee Simpson shared a smooch on the red carpet.
Maren Morris's husband, Ryan Hurd, planted a kiss on the top of her head on the red carpet.
The Backstreet Boys coupled up on the red carpet with their wives: Brian Littrell and Leighanne Wallace; Kevin Richardson and Kristin Willits; AJ McLean and Rochelle DeAnna McLean; Nick Carter and Lauren Kitt; and Leigh Boniello and Howie Dorough.
Chris Stapleton's wife, Morgane Stapleton, looked ready to pop on the red carpet! The duo are currently expecting their fifth child.
Brandi Carlile and her wife, Catherine Shepherd, coordinated in black suits during the Grammys.
Tyler Hubbard's wife, Hayley Stommel, kept her baby bump under wraps in a gorgeous gold gown on the red carpet. The Florida Georgia Line singer and his missus are currently expecting their second child.
Meanwhile, Florida Georgia Line's Brian Kelley walked the red carpet with his wife, Brittney Marie Cole.
J Balvin and girlfriend Valentina Ferrer made their red-carpet debut as a couple at the Grammys.
Newlyweds Pusha T and Virginia Williams looked chic and serious on the red carpet.
They've still got it! Billy Ray Cyrus attended the Grammys with his No. 1 lady of more than two decades, wife Tish Cyrus.
Natasha Lyonne supported her longtime boyfriend, Grammy nominee Fred Armisen, on the red carpet.
Newlyweds Miguel and Nazanin Mandi raised temperatures on the red carpet.
Country singer Margo Price cradled her baby bump — she's pregnant with her third child — while posing on the red carpet with her husband, guitarist Jeremy Ivey.
Sara Gilbert kept close to wife Linda Perry on the red carpet.
"The Good Place" star Jameela Jamil supported boyfriend James Blake at the Grammys.
Lauren London and Nipsey Hussle, who recently faced engagement rumors, struck fierce poses on the red carpet.
Newlyweds Kane Brown and Katelyn Jae, who tied the knot in October 2018, looked super-stylish during the Grammys.
Newly engaged couple Teddy Geiger and Emily Hampshire proved that opposites attract in black and white ensembles on the red carpet.
Newlyweds Tori Kelly and German basketball player Andre Murillo — who tied the knot in May 2018 — matched in all-black looks during the Grammys.
Ben Harper wrapped an arm around wife Jaclyn Matfus on the Grammys red carpet.
Fantasia Barrino held hands with her husband, Kendall Taylor, on the red carpet.
Weird Al Yankovic and wife Suzanne Yankovic were all smiles on the red carpet.
DJ Mustard and longtime love Chanel Thierry walked their first red carpet together since getting engaged in October 2018.
DJ Kaskade and his wife, Naomi Raddon, coordinated in black-and-gold looks during the Grammys.
Cee-Lo Green and his fiancée, Shani James, matched in sparkling getups on the red carpet.
Smokey Robinson and wife Frances Glandney were all smiles on the red carpet.
Legendary producer Lou Adler and wife Page Hannah made it a date night at the Grammys.
George Clinton's missus, Stephanie Lynn Clinton, rocked a massive statement necklace to coordinate with her husband's over-the-top ensemble.