Karan Johar is known to be the man who hosts the biggest parties in B-Town. Quite often, we see Karan Johar hosting a bash for his B-Town friends and having a bit of refreshing time with them.

It was the same scene again, just that the party was dedicated to Katy Perry this time. From Malaika Arora to Alia Bhatt to Aishwarya Rai Bachchan, the who’s who of Bollywood was present. Take a look –

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