A celebrity is a human being just like you and me and many other people. many people have issues that they prefer to keep personal but if you are a celebrity, everyone is watching you and making huge judgements. Justin beiber has to watch what he does everyday, because even the simplest mistake will cause ridicule, and most people dont like to be ridiculed. There is a lot of stress in a famous person's life that they have to deal with, so it probably worries them.
Paparazzi, getting pregnant, the media in general, rumors