Los Angeles:Model Blac Chyna plans, who is expecting her first child with her fiancé and reality TV personality Rob Kardashian, says she is already planning to reach her "goal weight" of 58 kgs after her pregnancy, Chyna detailed the size of her growing baby bump on Snapchat. She wrote: "So I weighed in I'm 183 lbs (83 kg) and loving it! So far I gained 84lbs (38 kg). I truly believe I will be 200lbs (90 kg)when I delivery that's 17lbs (7 kg) away. So I need to lose 70bs (31 kg) basically to be at my goal weight 130lbs." The mother of two, who already has son three-year-old son King Cairo with her ex-boyfriend Tyga, has shared she will embark on a "strict diet" and "waist training" to shed the baby weight and re-gain her slender frame once she gives birth. She said: "So I need to lose 70bs (31 kg) basically to be at my goal weight 130lbs (58 kg)." And she shared that she thinks she will be able to lose the weight quickly, reports femalefirst.co.uk. Speaking previously, she said: "My goal is to gain, like, 100 pounds (45 kg) this pregnancy. Imma tear it up, then Imma snap back." Meanwhile, the 29-year-old 'Keeping Up With the Kardashians' star has shared he has spent $13,000 on Chyna's pregnancy cravings, including Philly cheesesteak, in just one month in order to satisfy her urges for a meaty treat.