WATCH: On 23rd birthday Ira Khan says, 'I cry in the gym because...'

Superstar Aamir Khan's daughter Ira Khan poured her heart out in a video that she shared on Instagram on her 23rd birthday. In the video, Ira is seen saying that she suffered a slipped disc at the age of 19, which has restricted her movement. The birthday girl has also vowed to take up a one-month workout challenge to regain her physical agility.