Mumbai/IBNS: Filmmaker Karan Johar, who is also a dear friend of Shah Rukh Khan, review the actor's recently released film 'Pathaan' and called it 'the biggest blockbuster'.

In a long note calling Pathaan, KJo said that SRK aka "King" waited for the right time to rule.

He also praised his friend Aditya Chopra, who produced the film, and director Siddharth Anand.

Johar wrote: "I don't remember when I last had such a fun time at the movies!!!! This one's just the biggest blockbuster !!! Mega is the word!!! The charm, charisma , superstardom, desirability and sheer brilliance of @iamsrk ... the hottest , beautiful and sensationally gorgeous agent you will ever find @deepikapadukone the sexiest and most desirable villain @thejohnabraham !!! Brilliantly directed and conceptualised by SID ANAND! He knows how to mount a film like very few can...."

"I am so so so proud of my BFF the invisible ADITYA CHOPRA!!! You may never see him! But his vision and brilliance is insurmountable! And as for the KING! He went no where he just waited for the right time to RULE! Love you bhai @iamsrk !!! Love you Adi! And love you BOLLYWOOD! You may have been slandered and "boycotted" but no one can deny that when you come into your own no one can stand in your way! PATHAAN MUBARAK to all!!!!" he added.

Towards the end, Karan Johar also mentioned Salman Khan's cameo in the film.

He wrote, "(no spoiler but the Best sequence of the film is with BHAI and BHAIJAAN) I stood up and clapped !!!!!"

Pathaan opened to a massive box office collection on Wednesday and as per trade analysts, the film is eyeing over Rs. 50 crore earnings on the very first day.

The film, which co-stars actors Deepika Padukone and John Abraham in the lead, was screened as early as 6 am on Wednesday reflecting the craze around 57-year-old Shah Rukh Khan, who had taken a break from films following the dull run of his last project Zero in the box office in 2018.

Shah Rukh Khan and Karan Johar have worked together in several blockbuster hit films including Kuch Kuch Hota Hai, Kabhi Khushi Kabhie Gham, Kal Ho Naa Ho and Kabhi Alvida Naa Kehna.

Meanwhile, Karan Johar is set to make his comeback as a director with his next film Rocky Aur Rani Ki Prem Kahani, starring Alia Bhatt and Ranveer Singh in the lead.