It seems that until this year most Carnival's recent European activity has been when they roll out a new ship. This is interesting since John Heald has been teasing for a couple of weeks that Carnival will be in Europe for 2014.
A Bad Day At Sea [with power] Always Beats A Good Day At Work
Carnival: Glory 2004, Destiny 2008, Splendor 2009, Freedom 2011, Valor 2012, Dream 2013
Celebrity: Summit 2011
Princess: Ruby 2010, 2014, Caribbean 2013, Coral 2014