American singer Katy Perry got a warm welcome from Bollywood as Karan Johar hosted a lavish bash for her at his residence. The bash was attended by the who’s who of Bollywood. Among the Bollywood stars who made it for the party were Alia Bhatt, Anushka Sharma, Jacqueline Fernandez, Aishwarya Rai Bachchan, Abhishek Bachchan, Kajol, Malaika Arora, Ananya Panday, Shahid Kapoor, Sonakshi Sinha and several others.