Aamir Khan recently participated in the fourth season of Ajivasan Act in Mumbai. Several photographs and videos of the actor during the event have gone viral on social media. While his singing prowess stole many hearts, his unexpected weight gain drew a lot of attention. Aamir attended the occasion with a patterned blue kurta and trousers. A video of Aamir on stage was reshared on a Reddit sub, and admirers expressed concern about him. In a recent interview, he confessed that the weight gain is due to his `steroid treatment` for `migraines`.