<a gi-track='captionPersonalityLinkClicked' href=/galleries/search?phrase=Ben+Stiller&family=editorial&specificpeople=201806 ng-click='$event.stopPropagation()'>Ben Stiller</a> arrives at a Twentieth Century Fox presentation to promote the upcoming film 'The Secret Life of Walter Mitty' at Caesars Palace during CinemaCon, the official convention of the National Association of Theatre Owners on April 18, 2013 in Las Vegas, Nevada.