Kylie 'to assist Dannii on X Factor'

Kylie Minogue has agreed to make a guest appearance on The X Factor to help out her sister Dannii, a report claims.

According to the Daily Star, the pop princess will assist Dannii as she whittles her final six acts down to three on the ITV1 talent show.

The scenes are expected to be filmed in Dubai over the next few days as part of the judges' homes stage, which sees the hopefuls trying to secure places on the live shows.

An insider told the newspaper: "It's nerve-racking enough having to face Dannii but having Kylie as well really piles on the pressure."

'2 Hearts' singer Kylie has previously appeared on The X Factor in December 2007, performing a duet with her sister's protégé and eventual winner Leon Jackson.

Supermodel Kate Moss was recently tipped to be Louis Walsh's celebrity guest at the judges' homes round.