After last year's celebration with Skrillex, LIGHT in Las Vegas will be celebrating Halloween with a two-night party, dubbed #LIGHTMARE The Sequel, featuring Nicky Romero and Krewella. In addition, party-goers can enter LIGHT’s #EntertheLightmare Contest--running from September 30 through October 21--for a chance to win $10,000 each night, VIP tickets or a weekend trip for two to Vegas. For tickets and more information, head to http://www.thelightvegas.com/lightmare/!