Photos: ‘X Factor’ final three battle it out one last time

Paulina Rubio performs on the 'X Factor' televised on Wednesday, December 18, 2013. (Ray Mickshaw/FOX)

Carlito Olivero performs on the 'X Factor' televised on Wednesday, December 18, 2013. (Ray Mickshaw/FOX)

Alex & Sierra perform on the 'X Factor' televised on Wednesday, December 18, 2013. (Ray Mickshaw/FOX)

A,ex and Sierra perform on the 'X Factor' televised on Wednesday, December 18, 2013. (Ray Mickshaw/FOX)

Alex & Sierra during the 'X Factor' televised on Wednesday, December 18, 2013. (Ray Mickshaw/FOX)

Jeff Gutt performs on the 'X Factor' televised on Wednesday, December 18, 2013. (Ray Mickshaw/FOX)

Alex & Sierra and Leona Lewis perform on the 'X Factor' televised on Wednesday, December 18, 2013. (Ray Mickshaw/FOX)

Kelly Rowland, Demi Lovato, Paulina Rubio and Simon Cowell during the 'X Factor' televised on Wednesday, December 18, 2013. (Ray Mickshaw/FOX)

Carlito Olivero and Prince Royce perform on the 'X Factor' televised on Wednesday, December 18, 2013. (Ray Mickshaw/FOX)

Jeff Gutt and Johnny Rzeznk perform on the 'X Factor' televised on Wednesday, December 18, 2013. (Ray Mickshaw/FOX)

Carlito Olivero performs on the 'X Factor' televised on Wednesday, December 18, 2013. (Ray Mickshaw/FOX)

Alex & Sierra perform on the 'X Factor' televised on Wednesday, December 18, 2013. (Ray Mickshaw/FOX)

Alex & Sierra during the 'X Factor' televised on Wednesday, December 18, 2013. (Ray Mickshaw/FOX)

Jeff Gutt performs on the 'X Factor' televised on Wednesday, December 18, 2013. (Ray Mickshaw/FOX)