Karan Johar hosted a house party yesterday that turned into a star-studded affair. The Bollywood bash was held at the filmmaker's Mumbai residence to welcome American singer Katy Perry in the city and we all know that the filmmaker is the best host in the town!

Karan Johar hosts star-studded party for pop singer Katy Perry at his residence

Ahead of her concert in India on November 16, Katy Perry hinted at a possibility of her collaboration with Indian musicians. Before she headlines the music festival in Mumbai, the American singer said, "I'm totally excited to immerse myself in the culture, this week in Mumbai.

Katy Perry hints at possible collaboration with Indian musicians

This is not a drill. Popstar and international singing sensation Katy Perry landed in Mumbai during the early hours of Tuesday ahead of her first-ever concert in India.

Katy Perry arrives in Mumbai for her maiden concert in India