Gratuities: It is customary for our guests to extend gratuities to the shipboard staff in appreciation for their hard work and exceptional service. Our crew works hard to provide you with a great vacation and takes pride in being part of the best team in the cruise industry. Thank you for your generous recognition of our onboard team. A gratuity may be extended to room service staff as service is rendered.Celebrity Ties: Brewhouse and Seafood Shack additional gratuities can be added at the guest’s discretion.