Not long ago,
Kim Kardashian was world-famous for her sexy curves, while her pregnant sister
Kourtney was stuck in the role of second banana. But eight months have made a world of difference for the ultra-competitive Kardashian sisters. After working hard to lose her baby weight, Kourtney has her slim body back, reawakening Kim's old insecurities. And now, the two sisters are more competitive than ever. "They are always looking at each ...