Article continues below advertisementBlac Chyna might be giving her love story with Rob Kardashian another shot.During her appearance at the Los Angeles Women's Expo on Saturday, October 18, the 37-year-old model sparked rumors that she and her ex-fiancé could be rekindling their romance. When asked about having more kids, she admitted she'd prefer to expand her family with the reality star, the father of her 8-year-old daughter, Dream Kardashian, rather than her ex Tyga, with whom she shares 13-year-old son King Cairo.