Yes, it will make you elite on Celebrity and that will give you the bennies that were taken about from RCL. At little simplistic I know, but shortly after removing all the benefits from diamond most of those same benefits were given to Elite on Celebrity.
The other amusing thing, Azamara is booked under Celebrity and was under the Celebrity Captain's Club (which title they are still using) however the recipritory benefits are now the C&A ones.
Celebrity Constellation - March 17 followed by Celebrity Reflection - March 22
42 cruises - too many to list however cruiselines are in no particular order:
and some unknown tub