This day in theme parks, March 19th: Uni Social 2011 null 2012 “There’s a party on the rooftop, top of the world!” Don’t miss @HotChelleRae at #UORMardiGras this Friday! http://t.co/JrobntxX — Universal Orlando Resort (@UniversalORL) March 19, 2012 2013 @AustinMahone will be at #UniversalMardiGras on Fri! Tomorrow he’s hosting a […]