Usually, it's a no-brainer: Nicole wins every time.
But last night, Tulisa looked rather lovely in a draped, ruched, Grecian-inspired white frock.
While Ms Scherzinger undeniably still looked sexy in her silver mini mesh dress, we're not sure it was actually higher up the style chart this week.
What do you think? Did Tulisa win The X Factor fashion fight for the first time? Leave a comment below.
See more Tulisa pics here: