Complex sentence: Rita Ora will not appear in this series of the show after joining "The X Factor" and will be replaced by Paloma Faith, also Sir Tom Jones will not be returning and will be replaced by Boy George.
Split into simpler sentences: Rita Ora will not appear in this series of the show after joining "The X Factor" and will be replaced by Paloma Faith. In addition, Sir Tom Jones will not be returning and will be replaced by Boy George.