Kylie Jenner gained 60lbs during her second pregnancy. The 24-year-old makeup mogul – who is also mother to four-year-old Stormi – welcomed her a son with rapper Travis Scott back in February and while the couple are yet to reveal the name of their second child, Kylie claimed she has managed to shift 40lbs (2.8 stone) of her pregnancy weight so far. Alongside a video of herself running on a treadmill, she wrote on Instagram:”Gained 60lbs again this pregnancy. Down 40lbs!” The former ‘Keeping Up with the Kardashians ‘ star went on to claim that she is just “trying to be healthy” following the b…