If the bronchitis excuse was real, which I don't believe 100%, maybe she insisted to perform like that and her manager told her that she wasn't going to perform with a cracked ass voice, which would give her bad press and damaged her brand. After being told to not perform, she likely threw a tantrum because she was pissed and then ran her way to vacation again.
The Navy proving they are just absolute IDIOTS in this thread! Going on about how they "hate this forum" when there's a thread like this about their fave yet y'all Navy would have a FIELD day if this was about any other pop girl, if you hate the forum, why keep visiting? you're so transparent it's disgusting. Go get a life.