Her younger sister, Kim Kardashian, also seems to have taken notice as Kim reveals to UsWeekly that Kourtney now weighs less than her. “My sister weighs less than I do, and she just had a baby — so that’s kind of fascinating to me!” said Kim, 29, at Wet Republic in Las Vegas Saturday, where she celebrated Kourtney’s 31st birthday along with Khloe Kardashian.
Kim is however 5-foot-3, while Kourtney is 5-foot-1. And what is Kourtney’s secret for slimming down so quickly after having Mason in December? “Definitely breastfeeding helps,”said Kourt. “Everyone says that, but it’s really true — and it’s just being a busy mom.”
This unfortunately gave Khloe, 25, some ideas. “If that’s all it takes, breastfeeding?” said Khloe jokingly. “Then someone breastfeed off of me! I don’t care!”
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