Demi Lovato
The 20-year-old "Heart Attack" singer mentors the girls this season.
The 20-year-old "Heart Attack" singer mentors the girls this season.
Hometown: St. Johns, Fla.
Hometown: Northridge, Calif.
Hometown: San Lorenzo, Calif.
Hometown: New York, NY
X Factor newbie Paulina Rubio will spice up the boys category.
Hometown: West Hollywood, Calif.
Hometown: Valley Village, Calif.
Hometown: Lexington, S.C.
Hometown: St. Paul, Minn.
Destiny's Child alum Kelly Rowland brings her talents stateside, having previously mentored the over 25s on The X Factor U.K.
Hometown: West Hollywood, Calif.
Hometown: Nashville, Tenn.
Hometown: Orlando, Fla.
Hometown: Clinton Township, Mich.
Having already placed One Direction and Fifth Harmony together on his show, and mentoring California pop trio Emblem3, Simon Cowell will lend his magic touch to the groups category once more.
Members: Colton Pack, Andrew Scholz and Zach Beeken
Hometowns: Various
Members: Celine Polenghi, Millie Thrasher and Summer Reign
Hometowns: Various
Members: Real-life couple Alex Kinsey and Sierra Deaton
Hometowns: Florida
Members: Tenija, Tiara and Temperance Moton
Hometown: Wayne, Mich.