Cheryl Fernandez-Versini

After making her return to The X Factor panel in 2014, Cheryl is back with her unique blend of sass, charm and honesty. Chezza previously won the show with Alexandra Burke and Joe McElderry, and this time around, managed to get Reggie 'N' Bollie into The Final! The pair came second, only losing out to Rita's act Louisa Johnson.

Reggie 'N' Bollie's Song of the Series - Cheerleader / What Makes You Beautiful / I Like To Move It

In Week 2, Reggie 'N' Bollie impressed 1D's very own Liam Payne with their mash up of One Direction's What Makes You Beautiful and OMI's Cheerleader and now, they are back for more!

This time, adding Reel 2 Real's I Like To Move It in the mix, check out their performance above... BUT, is it enough to be crowned 2015 champ?

After a HUGE round of applause, Simon thought they "stepped up" for the Final and we could be in for surprise... In the words of Rita, "mash it up, mash it, mash it up... BOOM!"

Finalists Reggie 'N' Bollie tease Cheryl collaboration!

Reggie 'N' Bollie want to make music with Chezza!

Reggie ’N’ Bollie have teased a possible collaboration with their mentor Cherylafter tonight’s Final.

Before the duo go head-to-head with Louisa Johnson for this year’s crown, Reggie had nothing but praise for Chezza, revealing: “We want to thank her believing in us, even when we when we doubted ourselves.

Cheryl Vs Meryl… LIVE!

It’s the moment you’ve all been waiting for - no, not who has won this year’s X Factor but who will come out on top when Cheryl takes on Meryl… LIVE!

So, who can unwrap their Christmas presents the quickest and win the trophy? Watch above to find out!

Mash it up... boom! Reggie 'N' Bollie spice up the Final

Reggie 'N' Bollie get their Final off to a flying start by mashing up the Spice Girls anthem Spice Up Your Life and the Outhere Brothers' Boom Boom Boom.

After bringing their own carnival to Wembley, Simon thought it was like a "strawberry and liver milkshake" but thinks they can win while Rita thought it was "a bit cruise ship".

Which way will the public go?

Download Reggie 'N' Bollie's song here.

Download more of Reggie 'N' Bollie's previous songs here.

Reggie 'N' Bollie and Cheryl board their Battle Bus

Cheryl joins Reggie 'N' Bollie on their Battle Bus.

After making the Final, Reggie 'N' Bollie hop aboard their Battle Bus, with the duo first paying a visit to mentor Cheryl's hometown Newcastle for a very special gig.

See what happened when the duo were then joined by Chezza herself for a very special trip to Farnborough, where the lads live, to drum up some last minute support...