It depends on what look you are going for. There are several casino night options found here- http://www.windycitynovelties.com/336c/casino-theme-party-supplies.html.
Sometimes it depends on the Party City you are using sometimes people use different stores. Some Party Cities may have Las Vegas party supplies and others may not.
For a Las Vegas themed party you could use money themed items. You could use chocolate coins and banners that look like hundred dollar bills. Party supply stores feature balloons and decorations that look like playing cards specifically for Las Vegas themed parties.
churches
Las Vegas is known for its fame, money, the bright lights. Las Vegas is the right place to go if you're looking to party hard.
Who is the chairman (and what party does he/she belong to?) Las vegas.
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Bachelorette Party Las Vegas - 2011 Katie 1-4 was released on: USA: 7 November 2011
Bachelorette Party Las Vegas - 2011 Erin 1-5 was released on: USA: 14 November 2011
Bachelorette Party Las Vegas - 2011 Emily 1-3 was released on: USA: 31 October 2011
Sand Masters - 2011 Las Vegas Rodeo Party - 2.2 was released on: USA: 5 April 2012
Bachelorette Party Las Vegas - 2011 Brasie 1-1 was released on: USA: 17 October 2011
the strong smell in las Vegas is that of urine and vomit, due to the excessive drinking rate of the party people in Vegas. Other than the fact that there is nothing to do there but gamble, drink and party i myself do not recommend that you go.