You Don't Know Me Jax Jones feat Raye Download 'You Don't Know Me' on iTunes
Jaden Smith, son of Hollywood actor Will Smith has teamed up with Justin Bieber for the title track.
There's a couple of movie connections with this song, Jaden Smith starred in The Karate Kid alongside Jackie Chan, a remake of the 1980s action classic. 'Never Say Never' was the official theme song for the movie and the song's official music video features clips from The Karate Kid.
'Never Say Never' is also the name of Justin Bieber's new 3D movie and although the song was originally released in 2010, we could see it climb back up our chart as movie goers download the song after a visit to the cinema.