Kim Kardashian West is planning to relaunch herself as a fitness guru. The reality TV star is famous for her curvaceous figure and it's been claimed that Kim is in the advanced stages of designing a workout app that will help fans with toning up. A source close to the situation explained: "Kim is hard at work perfecting her latest tech project which will be workout and bum-based. "She loves working out and keeping fit and is open about it being a struggle. She wants to share her tips as inspiration for others. "But the app will also be cheeky and fun. "An idea is that subscribers will post pictures of their progress, including belfies of their bums getting more toned by the day." Kim is hoping to embrace the power of social media in order to make her app a success. The source told The Sun newspaper: "She had her own workout DVD in 2009 long before her profile soared by marrying Kanye West so her team think linking fitness with social media is the perfect way to make this venture current and very Kim.