MUST SEE: 10 stars you won't believe are the same age!

That film stars usually look younger than their years is a fact well known. But this comparative look will blow your mind!

Remember how former photographer Boman Irani rose to prominence as the irritable father of Sanjay Dutt's lady love in Munnabhai MBBS?

The high strung Dr Asthana -- Irani's character in the 2000 hit -- goes on to become Dutt's father-in-law in the film.

Now get this.

Irani is, in real life, as old as his screen son-in-law.

Both the actors were born in 1959, a few months apart and are 54 years old at present.

Surprised? 

Take a look at several other stars who you may not have known are the same age!

Please .

Bang Bang actor Hrithik Roshan and Ram Kapoor are both 40 years old.

While Hrithik was born on January 10, 1973, Kapoor's birth date is September 1, 1973.

Actress-entrepreneur Shilpa Shetty and actress-turned-politician Smriti Irani are both 38 years old.

While Shilpa recently made a comeback of sorts to films with her first production Dishkiyaaoon, Smriti Zubin Irani is contesting Lok Sabha polls against Congress vice president Rahul Gandhi from Amethi.

Sunny Deol, who played the romantic lead opposite 27-year-old Kangna Ranaut in I Love New Year in 2013, is 57 years old.

So is Alok Nath, who has been playing father figures in Hindi films since he was in his 20s.

So when Alok Nath played father to Bhagyashree at the age of 33 in Maine Pyar Kiya in 1989, Sunny Deol starred in a leading role along side Sridevi in Chaalbaaz.

Okay, so they aren't exactly the same age.

While Anil Kapoor is 57 years old, Anupam Kher, his costar of many films is 59.

But what is interesting to note here is the fact that Anupam Kher too, like Alok Nath, started playing father roles early on in his career -- he even played Madhuri Dixit's father in Ram Lakhan, in which Anil Kapoor was her romantic lead.

Veteran acting stalwarts Naseeruddin Shah and Rajinikanth are 63.

However, while Naseer has moved on to doing age-appropriate roles (except for an occasional Jackpot or Sona Spa), Rajinikanth has been steadfast in his choice of leading ladies, some of whom are younger than his daughters.

His upcoming film Kochadaiyaan stars Deepika Padukone, 28, and his next leading lady Sonakshi Sinha is 26.

Actress-activist Shabana Azmi and yesteryear onscreen vamp Bindu are both 63 years old.

Only, Shabana Azmi looks extremely youthful for her age.

Chennai Express director Rohit Shetty and Uday Chopra are the same age too.

As hard as it may seem to believe, both these stars are 41.

Comic actor and scriptwriter Kader Khan and Amitabh Bachchan are both 71 years old.

Quite surprising considering just how active the Big B still is at work and on social networking platforms while we hardly ever get to see Khan these days.

Actresses Hema Malini and Farida Jalal are both 65 years old but look strikingly different.