Trust Karan Johar to be the channel of cross-communication between everything that talks, lives or breathes in showbiz. The film producer and talk-show host is known just as much for his A-list parties, with B-town celebs as he is for his movies. The filmmaker recently threw a grand bash to welcome American Pop star Katy … “Karan Johar Hosts Star Studded Party For Katy Perry During Her Mumbai Visit. See Pics!”
