You have misunderstood
She has been working on an album recently; it's most likely that she used this cruise to work out any kinks in her live performances and to test out new material. Plus, like many of you said, it's a paid vacation....I'd take it :) (Yes, Queen Sized wasn't that great of a movie; but I'd put that less on Nikki and more on the movie as a whole. I thought she was great in it, but she couldn't carry that whole movie on her shoulders by herself)