Watch: Vera Wang Shares Prediction on Taylor Swift's Wedding Dress StyleChristian Siriano knows Zendaya's wedding dress will be absolutely marvelous. As the Euphoria star prepares for her upcoming nuptials to fiancé Tom Holland, the fashion designer shared his thoughts on what he believes her gown may look like. "I think Zendaya probably will wear something vintage," Christian exclusively told E! News at the DKMS Gala in New York City on Oct. 14. "Or it will be very simple.