This is not my 1st cruise, but it is the 1st with Celebrity. Previously with Carnival and Royal Carribean. What if any, are differences between the 3 cruise lines?
Carnival and Royal Caribbean tend to have more energy and a younger crowd. More children on these lines. Celebrity tends to attract a more 'mature' crowd.
I would say the food in the main restaurants is a step up at Celebrity with the exception of the pizza/burger joints. I give the nod to Carnival for the burgers and 'fast foods'.
The shows at Royal Caribbean tend to be a step above but often you have to make reservations. Not so with Celebrity.