Karan Johar pens touching birthday note for 'sister' Shweta Bachchan

Karan Johar, Bollywood filmmaker penned a long and touching tribute on the occasion of Shweta Bachchan's birthday.

Taking to his Instagram account on Sunday, the 51-year-old filmmaker shared a post, featuring a carousel of pictures and wishing birthday to Shweta.

In the post, Karan reflected on having the "best" childhood memories with the 50-year-old Indian columnist.

The Bombay Talkies director captioned the post, "My best childhood memories have been with @shwetabachchan and @bachchan …. AB Junior tied us to a tree in Madh Island ( as a prank) and that began a lifelong journey of family , love and friendship…."

"My mother has always said that Shweta is the daughter she never had and she will always be the sister I so needed …. I love you Shweta …. Thank you for springing into action as a Bua to my bachas as they were brought into this world …"

Wishing the happiest life to Shweta, Karan further wrote, "With all your quirks and hysterias I love you …. You are entertaining and loving in equal measure … today on your milestone birthday I wish you a decade of joy and happiness …."

"You have raised the most beautiful and well mannered children and are as inspiration to me as a parent …"

Karan concluded, "Love you! Now and forever Happy birthday my darling !!!."