P&O cruises: Britannia ship leaves Bergen ahead of 'mass brawl'

Fit for a queen: Britannia, the nation's largest cruise ship

Inside the Royal Yacht Britannia, the royal family's luxurious private cruise ship known as a 'floating palace'

Inside £11m-a-year 'floating palace' and why the royals no longer use it

Queen Mary 2 reveals new Britannia Club Balcony Staterooms