Tinsel town Mr. Perfectionist Aamir Khan celebrates his 47th birthday today. But unlike every year, this time there will be no celebrations for the actor. He'll be working on his D-day, courtesy his new TV show in the offing. Aamir usually celebrates his b'day at home with his mom, sisters and kids. For the first time he is working on this special day. Aamir has convinced his family members and has also given a nod to his team for shooting on his birthday.