Event to be held March 30-April 2 in Las Vegas
Showest has tapped Sienna Miller as supporting actress of the year.Showest will be held March 30-April 2 in Las Vegas. Miller will be presented with the award at the event’s final-night banquet ceremony. Previous Showest supporting actress honorees include Judi Dench, Angelina Jolie and Rachel McAdams. Miller will next be seen in “G.I. Joe: The Rise of Cobra,” skedded for release Aug. 7.