==== Uge 4 (5. marts) ====
* '''Tema''': [[Storbritannien|UK]] Number Ones<ref>{{cite web|url=http://ekstrabladet.dk/flash/filmogtv/tv/article1308921.ece|title=Sangforvirring i X Factor: Jesper synger Fireflies|last=Sørensen|first=Sola Kruchov|date=4. marts 2010|publisher=[[Ekstra Bladet]]|access-date=4. marts 2010}}</ref>
* '''Gæsteartist''': [[Cheryl Cole]] ("Fight for This Love")<ref>{{cite web|url=http://www.dr.dk/DR1/xfactor/Artikler/2010/cherylcole.htm|title=En superstjerne kommer til X Factor|last=Hüttel|first=Andreas|date=26. februar 2010|publisher=[[DR]]|access-date=26. februar 2010}}</ref>
{| class=wikitable
|-
! Rækkefølge !! Artist !! Sang <small>(original kunstner)</small> !! Resultat
|-bgcolor="pink"
|1 
| Daniel
| "[[Paint It, Black|Paint It Black]]" <small>([[The Rolling Stones]])</small>
| Stemt ud
|-
|2 
| Jesper
| "Fireflies" <small>([[Owl City]])</small>
|Stemt Videre
|-
|3
| Anna
| "American Boy" <small>([[Estelle (musiker)|Estelle]] feat. [[Kanye West]])</small>
|Stemt Videre
|-
|4
| Thomas
| "[[Mad World]]" <small>([[Michael Andrews]] & Gary Jules)</small>
|Stemt Videre
|-bgcolor="lightblue"
|5
| Tine
| "Sex on Fire" <small>([[Kings of Leon]])</small>
| I farezonen
|-
|6
| The Fireflies
| "[[Bridge over Troubled Water (sang)|Bridge over Troubled Water]]" <small>([[Simon & Garfunkel]])</small>
| Stemt Videre
|}
;Dommerne stemte ud:
* '''Remee''': Daniel
* '''Rosendahl''': Tine
* '''Soulshock''': Daniel
Historie