Born on March 14, 1965, Aamir Khan's full name is Mohammed Aamir Hussain Khan. His father Tahir Hussain was a film producer and director. Aamir is the eldest of four siblings, his younger brother Faisal Khan is also an actor. Aamir Khan has two sisters - Farhat and Nikhat Khan. (All photos/mid-day archives)

In picture: Aamir Khan from his Qayamat Se Qayamat Tak days, a far cry from the volatile character he played in Ghajini, two decades later

Aamir Khan grew up in a family that has been part of the Hindi film industry for decades. Late producer-director Nasir Hussain is Aamir Khan's paternal uncle, cousin Tariq Hussain Khan has acted in 'Yaadoon Ki Baaraat' which was a hit film in the 1970s. Actor Imran Khan is Aamir Khan's nephew and his second wife Kiran Rao is a film producer.

In picture: A simple and rather shy looking Aamir Khan

Before making his debut with Qayamat Se Qayamat Tak in 1988, Aamir Khan honed his acting skills as a child artiste. After the success of Qayamat Se Qayamat Tak, Aamir Khan featured in several hit blockbusters like Dil Hai Ke Manta Nahin, Hum Hain Rahi Pyar Ke, Rangeela, Raja Hindustani, Sarfarosh, Lagaan, Dil Chahta Hai, Talaash: The Answer Lies Within and Dangal.

In picture: A rare picture of the actor sporting a moustache. Interestingly, the actor played a moustachioed gangster in Aatank Hi Aatank

Aamir Khan was honoured with the Padma Shri in 2003 and the Padma Bhushan in 2010 by the Government of India.

In picture: Young Aamir Khan in a thoughtful mood. You won't see him wearing this kind of designer shirt anymore, but it was a trend in the '90s

In 1986, Aamir Khan married Reena Dutta. They have two children, a son named Junaid and a daughter, Ira. After almost 16 years of marriage, Aamir Khan and Reena Dutta filed for divorce in 2002.

In picture: Aamir Khan tries his hand at a camera...

Aamir Khan met Kiran Rao on the sets of Lagaan. Kiran Rao was one of the assistant director to Ashutosh Gowariker in the film. The couple became close friends and tied the knot in 2005. Kiran Rao and Aamir Khan have been married over 13 years now and they have a son Azad Rao Khan, who was born in 2011 through a surrogate mother.

In picture: Aamir Khan in a still from a film

We take a look at some old candid pictures of Aamir Khan, you may have not seen before!

Aamir Khan grooves with Farha Naaz in one of his early films. They starred together in several films including Jawaani Deewani

Aamir Khan played cricket on screen in Dev Anand's eminently forgettable Awwal Number that released in 1990

Aamir Khan with actress Ekta in a still from Awwal Number

A candid Aamir Khan in shorts posing for the camera

Aamir Khan and Juhi Chawla in Qayamat Se Qayamat Tak, the film introduced two superstars in Bollywood

Aamir Khan and Juhi Chawla teamed up again in Love Love Love, but could not recreate the magic of Qayamat Se Qayamat Tak

Aamir Khan with Madhuri Dixit in Deewana Mujh Sa Nahin

Aamir Khan and Madhuri Dixit in the superhit film Dil

Aamir Khan with Pooja Bedi and Mamik in Jo Jeeta Wohi Sikandar, a film that remains popular among the masses till date

Want a knuckle-sandwich? Aamir Khan packs a punch while promoting Ghulam

Aamir Khan strikes a pose next to the poster of Ghulam, which was a remake of the Marlon Brando classic On The Waterfront

That's Aamir Khan with his ex-wife Reena Dutta. They have two children, Junaid and Ira. The duo separated in 2002 after being married for 16 years. Aamir went on to marry Kiran Rao in 2005. They have a son via surrogacy, Azad Rao Khan

Aamir Khan and Rani Mukerji in a still from Ghulam

A cigar-smoking Aamir Khan looks suave in this picture

Aamir Khan is barely recognisable in this brawny avatar from Raakh

Aamir Khan with Naseeruddin Shah and Mahesh Bhatt at an event

Aamir Khan on the sets of Rendezvous with Simi Garewal

Aamir Khan in a still from Baazi. The intensity in the eyes is a trademark of the actor

Aamir Khan and Nandita Das in 1947 Earth

Aamir Khan and Sonali Bendre in Sarfarosh, which saw the actor coming up with one of his most accomplished performances

Aamir Khan and Neelam Kothari in an intimate scene in Afsana Pyaar Ka

A young Aamir Khan at an event

Even after three decades in the industry, Aamir Khan remains among the most sought-after stars in Bollywood

Here's wishing Aamir Khan a very happy birthday!