It all comes down to a matter of class. Showing one's defiance of societal norms by refusing to conform to dress standards is the antithesis of class. Have a nice dinner in the buffet.
Crown Princess March 2017
Explorer of the Seas October 2013
Caribbean Princess July 2006, May 2010 & November 2012
Monarch of the Seas November 2008
Crown Princess November 2007
Celebrity Zenith November 2005
Enchantment of the Seas August 2004