Filmmaker Karan Johar penned a heartfelt congratulatory message to the newest parents in the block, Katrina Kaif and Vicky Kaushal. 

Posting a photo of the couple in the Stories section of the Instagram handle, KJo penned, "Congratulations to this absolutely lovely and warm couple and this is the best news!!!! Blessings to the blessed baby boy...welcomed to the magical world of parenting (sic)".