Model-actress Lisa Haydon on Monday posted a breastfeeding image with her three-month-old son on social media sharing how the experience has helped her get back in shape. The Instagram photograph features Lisa breastfeeding son Zack Lalvani who she had with husband Dino on May 17. In an accompanying post she stressed the importance of breastfeeding on the last day of the World Breastfeeding Week. She wrote: I've gotten loads of posts asking about life after having my son especially to do with weight and fitness. Seeing it's World Breastfeeding Week -- time to give some credit where credit is due.