There have been fresh claims this week Katie Waisell could be on the verge of quitting the X Factor, or be asked to leave the show.
Show bosses are said to be concerned about the blonde singer after she reportedly held up filming a video for a charity single after having a panic attack.
An insider said: "She's very fragile and we are very concerned. We are considering asking her to step aside because it is really affecting the show."
Katie, who apparently has a chest infection, is said to be struggling to cope after being in the bottom two of the competition for the second time.
She kept fellow contestants waiting at the studios where they were due to shoot a video for a cover of David Bowie classic Heroes.
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