Alia Bhatt and Varun Dhawan visit Karan Johar at his office

'Humpty Sharma Ki Dulhania' co-stars Alia Bhatt and Varun Dhawan were spotted outside Karan Johar's office in Mumbai suburbs last night.

Alia Bhatt seen in her car.

There have been loads of celebs who have been visiting Karan Johar at his residence or office of late. Looks like KJo is on a casting spree (Read more).

Varun Dhawan smiles for the shutterbugs

This was second time in last two months that Varun and Alia visited Karan Johar at his office.

There was buzz that Alia Bhatt and Varun Dhawan will star in the sequel of KJo's 2014 hit 'Humpty Sharma Ki Dulhania' (Read story).

Alia Bhatt. Pics/Yogen Shah

We wonder what the meeting was about.