Blac Chyna wears thong waist trainer with all eyes are on her bum and it looks far from comfortable

Blac Chyna's Instagram picture

Blac Chyna definitely knows how to get the attention of the entire planet. Post a selfie to Instagram wearing a thong-backed waist trainer? Done.

The mum-of-one , who’s dating Rob Kardashian , is a big fan of waist trainers and has posed in lots of Instagram photos wearing one the creations before. This is a thong version – which doesn’t sound comfortable at all. Wedgie or what?

Blac has been dating Rob Kardashian since January, and seems to be doing him good, as he’s recently shed a lot of weight.

Blac Chyna's Instagram picture

Blac wrote: [The] power net thong body shaper... not only is it comfortable, it's sexy & Discreet under any outfit."

We think we'll leave it to Blac to wear.

She loves waist trainers so much that it’s even been rumoured that Blac’s been encouraging Rob to try a waist trainer himself.

Whatever the pair of them are doing to get him healthier, it’s working.

And Kris Jenner has now spoken about the relationship – and seems to approve of it .

Rob and Blac have been dating for three months

Speaking on Australia's The Kyle and Jackie O Show Kris said: "He feels so much better abo