The final 16 sang.
Eoghan Quigg sang with Boyzone.JLS sang with Westlife.Alexandra Burke sang with Beyonce.
The four finalists were: - Matt Cardle (sang a duet with Rihanna) - Rebecca Ferguson (sang a duet with Christina Augilera) - One Direction (sang a duet with Robbie Williams) - Cher Lloyd (sang a duet with Will.I.Am)
Cher Lloyd sang with will.i.am on The X Factor final 2010.
One Direction sang "Your Song" in the final.
On 2008 X-Factor he sang: Fly me to the moon by Frank Sinatra. On 2010 X-Factor audition he sang Cry Me A River, Michael Bubblé's version. In 2010 X-Factor BootCamp he sang Stop Crying your Heart Out by Oasis.
On April 27 2011 the top 6 finalists sang songs from Carole King listed in the related question.
Yes, they sang on 5th December.
The member of One Direction who sang 'Hey There Delilah' is Louis Tomlinson. He sang it when auditioning for The X Factor, back in 2010.
the stranglers
it bites
For his first audition in 2008, Liam sang Fly Me to the Moon by Frank Sinatra. In 2010, he sang Cry Me a River.
Liam Payne sang Cry Me a River in the 2010 auditions for X-Factor. He originally tried to get on the show in 2008, and he was back for his second try.