The Destiny’s Child icon, 41, debuted her latest new look on the July 28 Chicago stop of the Renaissance Tour: a couture leather Tiffany & Co. mini dress in the brand’s signature robin egg blue.

The 35-year-old was in the capital to celebrate the 150th anniversary of iconic jewelry brand Tiffany & Co., so it was apt the star chose an outfit in the light-blue hue to match the brand's ...