Kaitlyn Smith 400 pounds, Lost Half Her Weight In Only a Year. She worked hard and was able to lose half her weight in just a year--and her before and after pictures are amazing. When she had a tough time working on her weight loss alone, her family got Kaitlyn help from a fitness coach, Kina Wald. She got her on a strict diet and fitness regimen. When she started in January 2013, she weight 398 pounds.