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Showing off her toned figure as she dances in a sheer lace dress, it's clear Kate Hudson works out.

But the actress says far from committing to a daily two-hour slog at the gym, she instead aims to fit in just 20 minutes of exercise around her childcare commitments.

'People think you need two hours a day to do it, and that's bullsh**,' she tells Allure magazine.

'It's brain chemistry!' Kate Hudson revealed to Allure magazine that she works out for just 20 minutes a day, and doesn't follow a regular routine 

'If you work out 20 minutes a day in some way, you're going to see changes.'

And while she does work on her body with professional trainers, Kate will fit in whatever exercise she can.

'I've had days where I have the kids - Ryder's on his bike, and I put Bing in a stroller - and I will run and sprint up hills,' she said.

The 36-year-old has even been known to do yoga on airplanes.

'I do things that people would think look completely insane,' she tells the magazine, on whose November cover she features.

And to Kate, exercise is about more than looking good. 'It's brain chemistry.'

Read more: http://www.dailymail.co.uk/tvshowbiz/article-3279391/Kate-Hudson-reveals-insane-ways-gets-shape-working-20-minutes-day.html#ixzz3p27lVJbn