Khloe Kardashian plugs waist training with eye-popping cleavage selfie

She has said her curves are hard-won by daily visits to Gunnar Peterson's studio in Beverly Hills.

But on Tuesday Khloe Kardashian was gushing about the benefits of waist training, claiming to be 'obsessed' with the trend.

The 31-year-old Keeping Up With The Kardashians star also said the practice, which has been criticized for causing harm to internal organs, 'never hurt nobody.'

The star's full caption read, 'Im obsessed with the gym but a little extra help never hurt nobody @waistgangsociety and @premadonna8.'

'Keep my waist snatched and posture perfect. Once you try it, you will become obsessed!!! Head over to whatsawaist.com the ONLY place to get your waist trainer!!! ❤️❤️❤️'

The blonde sister of Kim and Kourtney was wearing a plunging black tank top with biker shorts. The black waist trainer was worn over her clothes.