Aditya Chopra, the head of Yash Raj Films, is celebrating his 50th birthday today. Married to actress Rani Mukerji, Aditya is known to keep his personal life under tight wraps. Today, on the producer's birthday, Karan Johar penned a wish on social media. For the unversed, Karan and Aditya have been friends for many years. 

On Instagram, Karan shared a throwback picture with Aditya from Goa. Interestingly, Shah Rukh Khan's son Aryan Khan made a special appearance in the wish. In the picture, Karan was seen holding baby Aryan. "And just like that he’s 50! So many memories ... so many movies... so many moments... He remains an unstoppable visionary! Silently and solidly takes on the studio mantle and creates barometers for everyone! Happy birthday to my mentor, best friend and chachu to my kids! Love you so much Adi! ( yes yes he exists!!) pic courtesy @iamsrk with us being dutiful uncles in goa! Two decades ago!" Karan captioned the post. 

 

 

 

 

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A post shared by Karan Johar (@karanjohar)

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(Source: Instagram)