New X Factor judge Kelly Rowland says her other obsession is working out.

She even admits to going to the gym at 1am.

My trainer told me I should do 200 sit-ups each night before I go to bed,’ Kelly, 30, laughs.

I just work out because it frees my mind – it makes me really happy.

‘But I’m not all fitness – I live by the 80/20 rule. I eat healthily 80 per cent of the time and have treats the rest.

‘English food’s good. My favourite thing right now is sticky toffee pudding.

‘It’s so good – it makes me want to slap myself.’

Read the full story about Kelly Rowland in Now mgazine dated 29 August 2011 – out now!

NEW PICTURES Tulisa Contostavlos Style File>>

SEE ALL THE NOMINEES Brit Awards 2011: The
nominations>> 

SEE PICTURES N-Dubz at Radio 1 in London

SEE PICTURES N-Dubz at the Variety Club Showbiz Awards in London

SEE PICTURES N-Dubz at the Brit Awards 2010: Stars arrive on
the red carpet>>

SEE
PICTURES Brit Awards 2010: The winners>>