"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." The rest of her ensemble was just as posh and unexpected. For jewelry, Grande wore a pair of pink pearl ...

Grande, 31, took the stage in a strapless Schiaparelli Haute Couture sequin gown with red tulle details on the skirt. She also wore red sequin heels with bows. The custom look was designed by Daniel ...