Vegas is already known for it's wild parties and unadulterated fun, so imagine what it's like on Halloween. Lavish parties, crazy costumes, celebrity appearances and all-night debauchery are just the beginning. We've searched far and wide to bring you a guide to the best Halloween parties and events we could find. So grab your costume and get ready for some tricks and some treats, Vegas style.

View the MetroWize Las Vegas Halloween Guide

Thursday, October 29th:
Soundbar @ Ghostbar Ghostbar kicks off a rockin’ Halloween Weekend with Soundbar, featuring performances by Ben Watts (Buzzin’ Fly, UK), Carlos Sanchez, Keith Evan and B. Minogue. Costumes are recommended, plus there’ll be a special birthday celebration for Keith Evan.

Halloweighties @ Tao
Pop star and 80's queen Debbie Gibson will be hosting the Halloweighties at Tao this Thursday night. Dress in your favorite 80s attire and enjoy sounds by DJ FIVE.

Friday, October 30th:
Vanilla Ice @ Studio 54 Vanilla Ice will deliver a special performance at Studio 54 to amp you up for tomorrow.

Taolloween @ Tao
944 Magazine hosts the 3rd annual Taolloween on Friday at Tao. The party will celebrate the release of Saw VI. Dress your best because there will be a $5,000 the person dressed in the best costume!

Z-Trip’s Revolution @ Rain Rain’s new Resident DJ Z-Trip hosts his weekly Friday night party "Z-Trip’s Revolution: A Party for the People" with a Halloween Twist. This Week’s theme is "Uneasy Halloween" and Z-Trip will be accompanied by guest DJ P.

Saturday, October 31st:
Fetish and Fantasy Ball @ Hard Rock Previously named "One of the Top Ten Events in the World" by the Travel Channel and "One of Five Events to Attend Before You Die" by Maxim Magazine, the annual Fetish and Fantasy Ball is a world-famous party. But that was then: Now that the Hard Rock has finished its massive makeover, the 14th year of the annual event promises to be better than ever before. With 25,000 square feet of more space, DJ’s Donald Gaulde and Scooter & Lavelle already slated to perform, and promises of fire performers, lasers, lights, stilt walkers and erotic stage performers, this is one party you aren’t going to want to miss. And it gets even better: the afterparty, which goes until 6:00 am, is being held just a quick stumble away, on the other side of the casino at Body English. To purchase tickets, click here.

Night of the Killer Costumes 3 @ the Palms This is Vegas’ best and biggest Costume Party, being held in all four of The Palms Resort and Casino’s Nightclubs and with Cash prizes totaling over 100,000 big ones. Ghostbar will host the Best Undead costume, Playboy Club hosts the best Playboy Costume, Rain hosts the Best Costume Ever, and Moon will hold down for the Best Sci-Fi Costume. This is the place to see and be seen for Halloween 2009. For more information, click here.

Yelloween @ Tao
Head over to Tao and Lavo for Veuve Clicquot's Yelloween. Hang out with the stars from True Blood, Sam Trammell and Rutina Wesley at Lavo and Twilight stars Ahsley Greene and Kellen Lutz at Tao. Grab a ticket and enjoy both parties. Door open at 10pm!

Kaskade @ Blush Boutique at the Wynn Kaskade lands on the Strip for a special Halloween performance. This is the place to be in Vegas for House music. For more information, check out the website Here.

Nicky Hilton Hosts Halloween @ Pure Nicky Hilton has finally decided where to spend her Halloween night, and she’s chosen Pure Nightclub inside Caesar’s Palace. We wonder what she’ll wear…For more information, check out the flier Here.

PERFECTO Featuring Paul Oakenfold @ Rain In addition to hosting the Night of the Killer Costumes, Rain is also putting on PERFECTO featuring Paul Oakenfold. It’s the perfect way to hear some great music and see some great costumes all in one place.

Holly Madison Hosts Holly-Ween @ Studio 54 Holly Madison, ex-girlfriend of Hugh Hefner, Playboy Covergirl and star of E!’s hit reality series "The Girls Next Door" will be spicing up Halloween at Studio 54. We can’t wait to see what costume Holly decides on. For more info, click here.

Vivid Halloween Pornstar Ball hosted by Nikki Jayne @ Prive Sure to be one of the racier Halloween parties in town, English Porn Star Nikki Jayne hits up the strip for some Halloween fun- sounds like this party might more about dressing down than about dressing up. For more information, check out Prive’s website.