She couldn't resist gushing about her impossibly tiny waist earlier this week. And Kylie Jenner happily paraded her phenomenal figure yesterday when she stepped out to hotspot The Nice Guy in Los Angeles on Friday night. The world's youngest 'self-made' billionaire, 21, oozed sex appeal in a figure-hugging black jumpsuit which put prominence on her toned midriff thanks to its criss-cross detailing. Incredible: Kylie Jenner, 21, paraded her phenomenal figure yesterday when she stepped out to hotspot The Nice Guy in Los Angeles on Friday night The number cinched in Kylie's waist further with a black satin bow and showed off her sculpted back. Ensuring to stick to the colour scheme, the reality star toted her belongings in a small black handbag. Her incredible glossy raven tresses tumbled down to one side and she utilised her make-up skills to make the most of her striking features. Kylie commanded attention as she emerged from a vehicle, composed herself before strutting into the eatery. Sexy: The world's youngest 'self-made' billionaire oozed sex appeal in a figure-hugging black jumpsuit which put prominence on her toned midriff thanks to its criss-cross detailing Baby got back: The number showed off her sculpted back to perfection Fashionista: Ensuring to stick to the colour scheme, the reality star toted her belongings in a small black handbag Babe: Her incredible glossy raven tresses tumbled down to one side and she utilised her make-up skills to make the most of her striking features Her sighting comes after she took to Instagram Stories on Wednesday to talk about how she 'got a flat tummy again' after welcoming her one-year-old daughter Stormi. Kylie revealed: 'Honestly, it's all about diet for me. 'I'm naturally just a really skinny person...like [sister] Kendall Jenner, but not like Kendall - she's naturally like, model status. 'But, yeah, I always had a really flat stomach, but I never felt it went back to before Stormi until recently. And I feel like it has a lot to do with diet. All is well: Kylie commanded attention as she emerged from a vehicle, composed herself before strutting into the eatery Stunning: Kylie also took to her Instagram Stories during the night out Pretty: She zoomed in on her flawless complexion and fluttery eyelashes Striking: Kylie accessorised with dangling silver earrings 'Like, I really eat very crazy usually, like whatever I want - pizza, pasta, a lot of diary, and I just kind of cut that all out, and have just been eating better, and I feel like that's the trick for me, personally.' After finding fame on her family's reality show Keeping Up With The Kardashians, the star used her famous name to promote her own make-up brand to her millions of social media followers. The range was a runaway success, outselling long established brands, but with almost zero marketing budget and minimal overheads. Mogul: After finding fame on her family's reality show Keeping Up With The Kardashians, the star used her famous name to promote her own make-up brand Well done: The range was a runaway success, outselling long established brands, but with almost zero marketing budget and minimal overheads At the top: Earlier this month Forbes revealed that the reality star is now the world's youngest ever self-made billionaire Unassuming: Kylie previously insisted she 'didn't expect' to be so successful when she launched her beauty business Kylie Cosmetics - which Forbes magazine values at at least $900million - four years ago Earlier this month Forbes revealed that the reality star is now the world's youngest ever self-made billionaire. Kylie previously insisted she 'didn't expect' to be so successful when she launched her beauty business Kylie Cosmetics - which Forbes magazine values at at least $900million - four years ago. She told the financial publication: 'I didn't expect anything. I did not foresee the future. But [the recognition] feels really good. That's a nice pat on the back. It's the power of social media. I had such a strong reach before I was able to start anything.' 'I feel like it has a lot to do with diet': Kylie recently dished all on how she 'got a flat tummy again' after welcoming her one-year-old daughter Stormi All rights reserved for this news site dailymail and under his responsibility