• KOURTNEY KARDASHIAN, 34 photo | Kourtney Kardashian

Credit: Brian Prahl/Splash News Online

Published: Friday May 10, 2013 10:00 AM EDT

2013

KOURTNEY KARDASHIAN, 34

The eldest Kardashian makes a splash on a Mexican beach seven months after giving birth to daughter Penelope. Though she gained 44 pounds during her pregnancy, the reality star lost it all through disciplined eating and regular exercise, including posterior-focused moves that targeted the back, triceps, glutes and hamstrings.



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