CSE Expo attendees, show sponsors and other event professionals attended the annual Canadian Special Events Expo’s sold-out opening night party. Doing what event professionals do best, the all-out party was held at both floors of the large UpCountry store on King East. The party was organized by Deb Lewis and her CityEvents team. Guests could download the App Labb made for the night for a chance to win various prizes through their social media contests. There were many booths to…