Justin Bieber has signed up to be a mentor on US 'X Factor'.

Mariah Carey is to join the US ‘X Factor’.

Jermaine Dupri was dropped from his position as President of Island Records Urban Music because he failed to turn up for work when his girlfriend Janet Jackson's album flopped, according to reports.

Hip-hop mogul Jay-Z has defended Nas' decision to name his new album 'N**ger', but insists the naming of the record is "misguided".

Antonio “LA” Reid, ousted from the top job at Arista Records barely a month ago, has been named chairman of Island Def Jam Music Group, where he will oversee the label’s stable of acts, including Jay-Z, Bon Jovi (singer pictured) and Melissa Etheridge.