Celebrity Cruises has raised its daily gratuity charge by $1,
to $15.50 per passenger for guests in standard cabins.
Guests in Concierge Class and AquaClass cabins now pay $16,
up from $15. Guests in suites pay $19, up from $18.
Gratuities are automatically added to passenger accounts but
can be adjusted onboard. The money goes to the guest's stateroom attendant, dining services staff and housekeeping staff.