Karan Johar is one filmmaker in the Bollywood film industry whose success ladder seems to be growing ever since he made his debut in filmmaking. A friend to many, Karan is known for his friendly nature and his out-of-the-box thinking while making films. Right from 'Kuch Kuch Hota Hai' to the recent 'Ae Dil Hai Mushkil', he has explored every genre and has tried in delivering some blockbuster hits. Karan recently embraced single parenthood by becoming a father to kids Yash Johar and Roohi Johar which were born via surrogacy.

Take a look on how B-town wished him on his birthday-

Alia Bhatt- "Happy Birthday to my most favourite person in the whole world! Karan Johar you're my friend, my father, my teacher and last but not least, you're my in-house fashion police (the only one that matters). I don't know what I'd do without you! Love you Karan."

Abhishek Bachchan- "Happy birthday @karanjohar . Thank you for all that you are and for the amount of love you give and spread. Have the best year. Lots of love."

Varun Dhawan- "Happy birthday @karanjohar. Wish you many more smiles ahead. Your the best person I know thank you for being you."

Shraddha Kapoor- "Just got back home! Belated happy birthday @karanjohar !!! 🎂🎈🎉😘❤️ lots & lots of love!!! Keep shining onnnnnn!"

Jacqueline Fernandez- "Happy happy birthday @karanjohar! 🤗🍸👯"

Parineeti Chopra- "Dearesttttt buddyyy Happppyyyyy bdayyyy!!! May you always be ready for a closeup!! Nothing's a Dis when you're around!! Love you❤@karanjohar."

Anil Kapoor- "Happy Birthday to the new father on the block! @karanjohar !! This year has already been amazing for you & I hope the rest of it is as well!"

Shabana Azmi- "@karanjohar salgirah mubarak Karan jeete raho khush raho."