Kim Kardashian Tweets Underwater Bikini Pictures (Photo : Twitter/KimKardashian)

Kim Kardashian Tweets Underwater Bikini Pictures (Photo : Twitter/KimKardashian)

Kim Kardashian Tweets Underwater Bikini Pictures (Photo : Twitter/KimKardashian)

Kim Kardashian took to her Twitter account yet again to post underwater bikini pictures for all her fans to see.

Kim Kardashian is one of the many celebrities that use their social networking accounts to give their fans a peek into what their life is all about behind the camera.  The reality TV star posted three underwater bikini pictures on her twitter account as she is seen in a black string bikini swimming at the bottom of a pool during a relaxing day with her family.

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"I am so excited for Thong Thursday. Hurry up! I can't wait to see what Coco tweets! #obsession," Kardashian tweeted Monday.

This is the second set of bikini pictures Kardashian has posted over the week Twitter in this week. Earlier the 31-year-old tweeted two racy bikini photos showcasing her famous physique. Usually criticized for being fallacious in every way including her appearance, the dark-haired vixen released a digitally untouched cell phone picture with the hashtag laced caption "#nofilter,  #nophotoshop."

Kardashian wore a teeny-tiny brown bikini for her Instagram photoshoot. The voluptuous beauty credits her curves to working out and eating healthy. As for her full bust and world-famous booty, she claims those assets are natural - though even her own family members doubt it.  

Once upon a time, Kardashian credited her fit body to diet supplement Quicktrim - but not these days. Kim and her sisters are currently battling charges that they lied about the effectiveness of their QuickTrim diet products. The Kardashian sisters were hit with a $5 million class-action lawsuit in March after allegations that their caffeine-based pills could not produce the weight loss results promised in the advertisements.  The trio are fighting back claiming they can't be blamed for what the company promises, although they endorse the product.

 "I still hit the gym most days to tone up," Kim Kardashian told Closer magazine. "I used to eat a lot of junk food, but there are plenty of fast food places that offer healthy options, so there's no excuse for eating badly all the time." However, Kardashian is no calorie counter; she's a confessed foodie who loves to enjoy some good eats. "Although, when I go out for dinner, I eat what I want," she told Closer. "You can't spend your life worrying about calories."

Like most women, Kardashian has struggled staying in shape in the past; she's no stranger to being publicly criticized for weight gain.  "When I was criticized for it, I said, 'I have cellulite. So what!'" Kardashian told Cosmopolitan UK magazine in January.   "I've never claimed to be perfect. It's crazy anyone should assume that just because you're in the spotlight, you're flawless. Sometimes I pig out and I still feel great, and think, 'That was so worth it!'"