Celebrity mothers like Jessica Simpson and Duchess Catherine among others returned to their perfect physique within a few months of giving birth to their baby. (Read: Struggling to lose weight post delivery? Here’s help!) Here's a list of new star mothers who quickly got back in shape: - Shilpa Shetty: With one of the most sought-after figures in Bollywood she has achieved the almost-superwoman feat of knocking off 20 kilos within a mere 10 months of Viaan's birth. As a producer of a list of fitness and yoga oriented DVDs she is determined to retrieve her lithe and petite pre-pregnancy figure.