TheEvilBitchesWin:DBigBrother4isthefourthseasonoftherealitytelevisionseriesBigBrother.Theformatoftheprogramremainedlargelyunchangedfrompreviousseasons:agroupofcontestants,referredtoasHouseGuests,areenclosedintheBigBrotherHouseunderthesurveillanceofcamerasandmicrophones.Eachweek,theHouseGuestsvotetoevictoneoftheirownuntiltwoHouseguestsremainonfinalenight.ThewinnerwillbedecidedbythelastsevenevictedHouseGuests,collectivelyknownastheBigBrotherJury.JulieChenreturnedtohostthisseason.Thewinneroftheserieswona$500,000grandprize,whiletherunner-upwon$50,000.Thisseasonwaspromotedasthe"Ex-Factor"eee