Sign up to Simon Calder’s free travel email for expert advice and money-saving discounts Get Simon Calder’s Travel email Get Simon Calder’s Travel email Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. It is the second Sphere class ship in the Princess Cruises fleet (after Sun Princess) and the 17th across the brand. Many of the features of Star Princess will be the same as Sun Princess, including the use of liquefied natural gas as power. To join the cruise, follow the link to the Princess Cruises website. Read more: The best deals on Princess Cruises for your 2025 holiday