The 31-year-old Keeping Up With The Kardashians star posted a shot of herself wearing a retro floral two-piece on Twitter with the simple message: "Aloha."
Kim's currently relaxing on vacation with boyfriend Kanye West amid rumours that her divorce with estranged husband Kris Humphries may not be finalised this year.
Kim and Kris wed in a lavish multi-million pound ceremony in California last year, that was captured on camera for the E! Entertainment network, but the marriage lasted just 72 days before their separation was announced.
She is now dating longtime friend Kanye West and recently made a cameo appearance in his new music video, popping up while he rapped a verse widely believed to be about Kris.
By the looks of Kim's recent tweets, however, she isn't letting the court proceedings get to her, preferring instead to tweet pictures of her vacation or family.
She's also preparing to jet to the UK later this year following news that the Kardashian Kollection - the fashion line she fronts with sisters Khloe and Kourtney - will finally be arriving on our shores!
Fans of Keeping Up With The Kardashians who've always wanted to dress like their favourite sister can rejoice as the reality stars have partnered with Dorothy Perkins to sell their Kollection in 250 Dorothy Perkins stores across the UK from November 2012. It will also be available online.
In a statement the sisters said: "We are looking forward to expanding our line and making Kardashian Kollection available to so many more people.
"We pride ourselves in having a line that is affordable and yet of great quality and we're excited to bring it to new territories."
Kim added on her own website: "This is such an exciting time and we can't wait to head over to the UK later this year to launch the Kollection and visit all of our amazing fans."
Browse our gallery of Kim's best bikini looks below!
Copyright: Rex Features Startraks Photo/Rex Features
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