The pop princess begs her sis to leave the show before it makes her ill

Your big sister’s always bound to have your best interests at heart.

And after witnessing first-hand the toxic environment Dannii has to cope with each week on The X Factor, Now can reveal that Kylie’s begged her to quit the show.

The 42-year-old singer’s told friends she was ‘shocked and worried’ at the negativity she felt backstage and the bitchy atmosphere her sister works in.

Kylie’s noticed that week by week she’s becoming quieter,’ a close pal tells Now.

‘She initially put it down to Dannii worrying about her acts and it wasn’t until she went on the show that she put two and two together and realised the tense mood backstage is to blame.’

After a heart-to-heart with Dannii, 39, who gave birth to son Ethan in July, Kylie’s begged her not to return next year – even if they ask her back.

As reported in Now earlier this month Dannii’s been thinking about quitting during the final show but our insider says: ‘If one of her acts wins, she may reconsider but her sister won’t be happy.

‘The night Kylie performed on the show it was obvious she wasn’t impressed as she was less than her bubbly self on stage talking to Dermot.’

Those judges’ feuds are worse than we thought…

Find out why Louis Walsh will have the last laugh in Now magazine, dated 22 November 2010 – out now!

PHOTO GALLERY The X Factor finalists – then and now>>

SEE PICTURES The X Factor 2010 – the finalists’ stylish
makeovers>>

SEE PICTURES The X Factor 2010 – the live shows>>

SEE PICTURES The X Factor 2010 – finalists prepare for
live shows>>

SEE PICTURES The X Factor 2010 – final 12 get
makeovers>>

SEE PICTURES The X Factor 2010 – final 12>>

SEE
PICTURES The X Factor 2010 – auditions>>

SEE PICTURES The X Factor 2009 – best moments>>