Actress Kareena Kapoor Khan shared the first image of her newborn son on Instagram on Monday.The actress took to her social media account to wish her fans Happy Women39s day. Holding her baby, Kareena uploaded a selfie and captioned the picture saying: "There is nothing women can39t do. Happy Women39s Day my loves"The post was bombarded with comments, including one from Kareena39s sister-in-law, actress Soha Ali Khan, who wrote: "You39re a rock. Love you".Kareena and husband Saif Ali Khan welcomed their second son on February 21 in Mumbai.The couple have a four-year-old son, Taimur.