Question: who are guest judges on x factor?
Answer: It was confirmed that guest judges would take Minogue's place alongside Simon Cowell, Louis Walsh and Cheryl Cole during the auditions. The guest judges were Geri Halliwell, Natalie Imbruglia, Katy Perry, Pixie Lott and Nicole Scherzinger. On 11 June, Minogue was confirmed by ITV to return for the judges' houses stage.