Photo: Princess Diana&amp;#8217;s wedding gown will be featured in the exhibit &amp;#8220;Diana: A Celebration,&amp;#8221;&amp;#8216; which will be coming to Foxwoods Resort Casino, beginning Sept. 16. (Getty Images) &amp;#8220;Diana, A Celebration,&amp;#8221; the award-winning exhibition that chronicles the life and work of Diana, Princess of Wales, will open at Foxwoods Resort Casino&rsquo;s Great Cedar Exhibition Area, beginning [...]