Alien Uncovered were eliminated in week one after ending up in the sing - off with Kiera Weathers , receiving Rita Ora 's , Nick Grimshaw 's and Simon Cowell 's votes to be sent home .
Cheryl Fernandez - Versini ( their mentor ) voted to save them .
Alien Uncovered were eliminated in week one after ending up in the sing - off with Kiera Weathers , receiving Rita Ora 's , Nick Grimshaw 's and Simon Cowell 's votes to be sent home but Cheryl Fernandez - Versini ( their mentor ) voted to save them .