On the latest episode of Kourtney and Kim Take Miami, the Kardashian sisters flaunted their curvy bodies as they ready themselves to get a tan fix.

Of course there would not be a problem for Kim who is so used of exposing skin, but it's a different story for Kourtney. She just gave birth to her second child, Penelope and feels that her body is not slim enough for the pending bikini photoshoot.

In the clip, Kim and Kourtney stood inside a bathroom wearing very skimpy bikinis. Kim was stripped to only her blue bikinis as she tries to help her sister be more confident about her post baby body.

"My belly is flabby and my boobs are so veiny because there is milk in there," Kourtney complains.

The mother of two initially got uncomfortable as she tried on bikinis that she would wear for the photoshoot. Kourtney has been struggling to lose some weight ever since she gave birth to her daughter.

"I don't know why I agreed to do this shoot," Kourtney said. "After your second baby it is definitely harder to lose the weight. It's frustrating, it's been six months since I gave birth and my weight is just staying the same."

After following Kim's advice to get a tan fix adding that it makes her feel great, Kourtney was in for a try. Kourt then fearlessly rips off her bandeau and only wore a string thong. Talk about flaunting everything on national TV.

"I feel skinner already," Kourtney said after getting her tan. "I was a little judgy-wudgy about getting a spray tan. I admit that was immature."

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