"Celebrity ConciergeClass presents an extensive series of little extras that make a big difference," says a Celebrity spokesman.

Guests are welcomed to their plush veranda stateroom with a bottle of chilled champagne; fresh flowers and a selection of fruits; afternoon canapes; a leather key holder; personalised stationery; an oversized tote bag, and an umbrella available for use throughout the cruise.

For sleeping comfort, there tension- absorbing pillow-top mattresses, plush duvets and a pillow menu whose selections include conformance, body, goose down or Isotonic. And for guests who wish to linger in the comfort of their plush bedding and custom pillows, Celebrity has designed a room service breakfast menu offering delectable new selections.

ConciergeClass bathroom amenities include plush bath rugs, oversized Egyptian cotton towels, double-thick Frette bathrobes, two hair dryers, a Hansgrohe showerhead, and a selection of fine shampoos, body lotions, soaps, shower caps, breath mints and a sewing kit.

Priority services include fast-track luggage delivery, dining time and seating preferences, shoe shine service, VIP invitations to exclusive shipboard events, priority shore excursion bookings, early embarkation and debarkation privileges, and a one-touch button on the phone to reach a ConciergeClass desk representative directly.

Additional touches also extend to the veranda, which features a table large enough for dining al fresco, cushioned chairs, and high-powered binoculars for zooming in on captivating scenery throughout the cruise.