October 31, 2014 4:08 am Fallon: Chris Rock Lists This Year's Top Halloween Costumes Chris Rock made a surprise visit to the “Tonight Show” Thursday and revealed 2014’s top Halloween costumes including “slutty pumpkin spice latte and “slutty Uber driver.” US & World Videos 0:47 WATCH: Comet fragment lights up the sky in Portugal 1:43 World reacts to death of Iran's president 1:58 ICC seeking arrest warrants for Israeli and Hamas leaders 1:07 Cargo ship that crashed into Baltimore bridge moving back to port 1:33 Police involved in shooting at car repair shop in East Hartford