u.k.

Rita Ora to Guest Judge on ‘X Factor U.K.’
Three years ago, Rita Ora was an up-and-coming singer auditioning for Jay-Z with the hopes of being signed to his Roc Nation label. Now the 21-year-old Roc Nation artist will relive that nerve-racking experience vicariously as a temporary judge on the U.K. version of ‘The X Factor.&CloseCurlyQ…