The avant-garde frock angled out dramatically while belted with a solid silver sash.
The nude and black bodice revealed hints of skin while the long, full train was princess perfect.
Country fans had plenty of things to say about the evening and the hosts.
An angular collar and gold stilettos rounded out the ensemble along with romantic, blonde curls.
Carrie also sported a floor-length gown with creme train and black bodice that was equal parts sweet and sassy.
Carrie, who is nominated for Female Vocalist of the Year, added dangling gold statement earrings that perfectly offset her golden tresses and glowing complexion.
The blonde musician went full glam with her make-up, playing up her green eyes with smoky shadow and lush, dark lashes.
She teamed the full-skirted frock with matching silk shoes.
The star came on stage to pay tribute to the lives lost at October's Route 91 Harvest Festival in Las Vegas.
It was hard to ignore the bling the mother-of-one was displaying on her fingers, showing off a collection of ornate diamond rings on both hands.
The starlet was joined by husband Mike Fisher, who looked dapper in a simple black tie and a three-piece suit.
The retired hockey professional kept a wash of laid back stubble along his chiseled jawline, while combing his dark locks back smoothly.