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Leaving her fiancé at home, Carrie makes it a girls' night with her mom and sister (not pictured) in a glam Basil Soda frock – complete with an origami-pleated top – Rene Caovilla heels and a Swarovski clutch.
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Goodbye, sparkles! Taylor trades her signature red carpet sequins for a backless, embroidered, lavender Marchesa gown, Neil Lane diamonds and a retro updo.
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She may have been up for six ACM awards, but all eyes are on the female vocalist of the year's plunging sapphire Pamella Roland beaded gown.
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SUGARLAND & TAYLOR
Now that's something to smile about! Sugarland's Kristian Bush gets the golden seat between duet partner Jennifer Nettles and a Marchesa-clad Taylor Swift.
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Looking every bit the lady, Hillary Scott takes center stage (in hot pink Pamella Roland) between her suited-up bandmates (in Dolce amp Gabbana), Dave Haywood and Charles Kelly.
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MIRANDA LAMBERT & BLAKE SHELTON
Album of the year winner Lambert glows while walking backstage with beau Blake Shelton. "He's hard to love, but I found it in my heart [to do so]," the singer joked to reporters before the show.
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The night's host may have joked about needing Spanx, but she was nonetheless flawless in a metallic blue, vine-embroidered Ysa Makino gown and classic earrings by Diamonds for a Cure.
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Celebrating 10 years together, Gary LeVox, Jay DeMarcus and Joe Don Rooney prove they really are "Unstoppable" backstage after their crowd-pleasing performance early in the night.
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The singer stuns in a sky-blue chiffon gown with a glam multi-colored, beaded waist by Jenny Packham.
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Setting off a super-deep tan, the dancer turned singer stuns in a sweeping Basil Soda white gown that takes a futuristic turn with a silver pleated bodice and Neil Lane jewels.
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MATTHEW MCCONAUGHEY & CAMILA ALVES
Yes, he's wearing a shirt, but the sexy presenter still manages to show off a hint of his buff chest during a parents' night out with girlfriend Camila Alves.
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It's a white-hot Vegas night for Faith, who sizzles in a curve-hugging sheath and suede Sergio Rossi peep-toe pumps backstage before presenting song of the year to Lady Antebellum.
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CHARLES KELLEY & LUKE BRYAN
Talk about wet and wild! Lady Antebellum's Kelley and best new artist winner Bryan dry off – and drink up – after taking a few dips in the pool at the Capitol Records Nashville afterparty in the MGM Grand.
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TIM MCGRAW & CARRIE UNDERWOOD
Donning her third dress of the night, Underwood hugs it out backstage in a custom-made Theia gown with fellow performer McGraw.
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1 … 2 … 3 … Fearless! Swift and her band get ready to go Sunday night before performing "Change," backed by the Tritones a cappella group from University of California, San Diego.
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BRAD PAISLEY & KEITH URBAN
Who's got the cooler guitar? The soulful singers playfully compare notes backstage as the event rages on. Though Urban left without a statuette, Paisley earned his fourth consecutive top male vocalist award.
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RANDY TRAVIS & TIM MCGRAW
Between an embroidered tuxedo and a bad-boy leather jacket, the men of country stand together offstage as the men in black.
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BROOKS & DUNN
Performing together on the ACM stage for the last time, country legends Kix Brooks and Ronnie Dunn give fans what they want – the requested "My Maria" – as they prepare to start their Last Rodeo farewell tour.