here are some links to the place, I happen to have handy. The Chez Paree nightclub (which had the gambling) closed in 1960. The building now houses businesses including The Chez, a fancy meeting/event hall.

http://www.parsec-santa.com/chezparee/ChezParee.html
https://www.herecomestheguide.com/illinois/wedding-venues/chez
https://www.chezpareechicago.com/#chez
http://chicagostyleweddings.blogspot.com/2014/05/vendor-spotlight-go-chez-chic-for-your.html

https://www.google.com/search?q=%22chez+paree%22+chicago&tbm=isch&tbo=u&source=univ&sa=X&ei=VAK8U9nIPM6syASOsYDIAQ&ved=0CCYQsAQ&biw=1165&bih=957#imgdii

Robt.