February 11th, 2013
01:25 PM ET
Some of you were caught off guard by the light show Carrie Underwood put on during her Grammys performance Sunday.
She used, of all things, her dress to make it happen.
It turns out the strapless number was a custom-made creation from Theia , crafted specifically for the "Idol" alum's Grammys set. According to People magazine, the dress was made over the span of three days as Theia's creative team formed Duchesse satin and 100 yards of tulle and crinoline into a gown that had a skirt that was 4 feet and 5 inches wide.
That created a broad canvas for the production team to project visuals onto, such as butterflies, roses and stars.
“We wanted it to be artful and dramatic,” Underwood, who won a Grammy for best country solo performance during the ceremony, said backstage. “I just like to stand still and sing sometimes, so this seemed like the best way I could do that and still create something visually attention-capturing."
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