Khloé Kardashian has never shied away from working her curves and these days she’s giving sister Kim some serious competition in the bum stakes!

Kim and Khloe Kardashian are style twins!

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Yep, even though Kim is the one known for her generous tush, 31-year-old Khloé is just as proud of her own shapely behind.

Over the years Khlo has clearly become more comfortable in her own skin and has increasingly showed off her ample bottom in very tight clothing.

Back when the Kardashians began hitting the headlines in 2008 it was a different story. Khloé often kept her figure under cover and dressed down in casual outfits, drawing attention away from her derriere.

By 2010 she appeared to have grown in confidence and her bootylicious asset became more noticeable in fitted dresses and skirts.

In the following years Khloé’s fame has grown to new heights and her bum appears to have become even more prominent too.

The star insists she’s always had a larger behind though. In 2014 she posted an old family snap on Instagram and joked about her ‘TeenageBubble’ tush.

Following her split from husband Lamar Odom in 2013, Khloé Kardashian started to undergo quite a body transformation.

She began hitting the gym more frequently and shed weight thanks to her rigorous workout sessions with a personal trainer.

Khlo’s increasingly slim waist has drawn further attention to her curvaceous butt though and in the past year it’s become more noticeable than ever!

It was in 2014 that the TV star’s tush started to reach Kim levels of bootyliciousness. When Khloé was snapped in a beige pencil skirt whilst out in Los Angeles in December it looked more rotund than ever!

2015 has seen Khlo’s bum totally take centre stage. Whether she’s heading to the gym in tight leggings or working the red carpet in a revealing dress, Khloé’s bottom stands out for all to see.

The shapely star insists that her increasingly curvy behind is all her own though and has quashed speculation that she’s had implants.

Khloé’s previously Tweeted: ‘Sorry to disappoint, I’ve always had an a**.

‘I know it’s more fun to believe it’s not real, kind of a compliment since I kill myself in the gym.’

Watch our video above to see the evolution of Khloé Kardashian’s bum!

Anna Francis