The One Direction heartthrob dropped by the studios and the contestants were lining up to get selfies - naturally
It looks like the One Direction boys are taking turns to head down to the X Factor studio because curly-haired heartthrob Harry Styles is the latest member to be snapped backstage during rehearsals.
Stevi Ritchie was the first contestant to get his picture taken with the teen pin-up, and had a huge grin spread across his face for the cheesy snap.
Handsome Harry, dressed in a white, tee, black and white shirt, and black blazer, looked pretty chuffed too and even managed a little thumbs up.
Oh look who's just turned up. Hi @Harry_Styles #XFactorRehearsals pic.twitter.com/la1Rx3s69o
— The X Factor (@TheXFactor) November 2, 2014
Next to the shot, X Factor wrote: "Oh look who's just turned up. Hi @Harry_Styles. #XFactorRehearsals."
Stereo Kicks Charlie Jones also managed to get his picture taken with the star during rehearsals.
The dream team @SimonCowell @Louis_Tomlinson @radioleary and @brianfriedman #XFactor pic.twitter.com/S7bJIbJwFx
— The X Factor (@TheXFactor) October 17, 2014
A few weeks ago Harry's bandmate Louis was pictured backstage watching the finalists do their thing ahead of the live show.
Louis was seen looking quite bemused next to a chuffed Jay James Picton.
For pictures from last night's show, scroll through the gallery below.