performances list 10/12/11, Themes: No theme (songs the mentor and contestants believe will get them through the final); mentor duets

Marcus Collins "Hey Ya!" "She's Always a Woman" duet with Gary Barlow
Little Mix "You Got the Love" "Empire State of Mind"/"If I Ain't Got You" duet with Tulisa Contostavlos
Amelia Lily "Ain't No Other Man" "River Deep – Mountain High" duet with Kelly Rowland