Co-host Brad matched her in a shimmering red jacket, The duo put on some 3-D glasses for a second, poking fun at their supernaturally sparkly garb.But that was far from the end of Carrie's outfit swaps.
On October 1, Stephen Paddock fired onto a crowd of approximately 22K during Jason Aldean's set at the festival, killing 58 and leaving another 546 injured.
Carrie looked elegant as ever during her somber song, donning a champagne colored gown with floral appliques upon the shoulders and skirt.
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.
Inside the event, the American Idol alum donned a glittering garnet gown.
Her frock featured a beaded cape over ultra short mini, making the country starlet look like one of Wonder Woman's sisters.
Later on the star joined the stage on a happier note, sporting a gold jumpsuit with shimmering sheath.