The "Umbrella" singer, 23, will be the guest mentor for judge L.A. Reid's group during the Judges' Homes round of the competition. During this round, each judge takes their group to their home or a location of their choosing to work with the contestants on a more intimate level and to also bring a second mentor to help them out.
After working with their judge and guest mentor, each contestant must then perform to prove why they deserve to be chosen for their judge's final category.
The X Factor airs Wednesdays and Thursdays at 8/7c on Fox.
Who else do you think should be a guest mentor for the contestants?