The X Factor judges have pulled out the stops - and don't they look gorgeous?
Let's face it, it's the question on everyone's lips. Who wore it best?
Tonight, ultimate glamazon Cheryl Fernandez-Versini stepped out in a lace dress so amazing we couldn't help but stop and stare.
Meanwhile, Mel B dazzled in a mirrored silver dress.
It's hard to try and pick a winner from these two but hey, we'll give it a try.
Scary Spice Mel gave a little growl as she emerged with the rest of the X Factor judges (which we loved).
But not to be outdone easily, gorge Geordie Cheryl got a little catty too!
She wore her tresses in a sleek straight 'do and her eyes were sultry and smoky.
So, for week four we have to crown Chezza the winner in this week's style stakes.
It's only fair, given Mel was the winner last week.
But who are we to decide? Judge for yourselves, and don't forget to take a look back at the X Factor live shows so far and decide who wore it best.
Week One 11th and 12th October
Saturday's live show
Mel opted for a white-floor length Alexander McQueen dress with black bow detail, while Cheryl chose a glamorous black Amanda Wakeley frock
Sunday's live show
Mel throws us a leg bomb in her half and half dress, while Cheryl is all sultry in a sheer red jumpsuit.
Week Two 18th and 19th October
Saturday's live show
This green Lanvin dress got Cheryl the nickname of Kermit the frog. Mel went for a pink number, but together, we can barely look at them.
Sunday's live show
Mel had A LOT of cleavage on show in this white number, while Cheryl kept a little more covered up in stripes.
Week Three 25th and 26th October
While Cheryl channelled Hollywood glamour in a glitzy black dress, Mel kept it cool in a bright red jumpsuit.
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