The dress was actually completely backless, held up only by a sheer piece of fabric around her upper back. She accessorized with statement gold Tiffany & Co. jewelry and a pair of strappy black heels.

For the biggest night in music, Sabrina arrived in a custom JW Anderson powder blue backless dress, featuring a feathered train and waist. It's no surprise that the 25-year-old dressed to impress ...