Celebrity Cruises has selected Digitas Inc., as its marketing agency of record, following a thorough agency review process. "Digitas' expertise in relationship marketing and loyalty marketing, as well as in the travel industry, will help us rapidly build our base of new customers and strengthen our relationships with guests who have cruised previously with Celebrity," said Celebrity Cruises Senior Vice President of Marketing and Brand Planning, Ares Michaelides. from other vacation options," said Michael Ward, President and Chief Operating Officer of Digitas. In addition to handling the full range of integrated marketing programs previously handled by WestWayne…