Halloween Parties Galore

It's All Hallows Eve and there are certainly festivities a plenty. Here are tonight's highlights: At Wynn Las Vegasand Encore Las Vegas Swedish wünderkind Avicii makes his debut at Tryst, deadmau5 plays XS and Swedish House Mafia's Steve Angello does his thing at Surrender. Over at Cosmopolitan of Las Vegas, Kaskade is headlining. At Venetian and Palazzo, Tao hosts a "Dub Expo" and Lavo a "UFC Party." The Luxor's LAX Nightclub is putting on a "Life After Death Party" and Caesar's Pure a "Hell On Wheels Costume Party." The rapper Nelly is set to perform at The Bank inside Bellagio and Jenny McCarthy celebrates her 40th at Gallery Nightclub at Planet Hollywood Resort. [EaterWire]