Varun, Alia are a laugh riot at Badrinath Ki Dulhania trailer

Varun Dhawan, Alia Bhatt and Karan Johar launched the trailer of their film 'Badrinath Ki Dulhania' at an entertaining event on Thursday in Mumbai. (Photo: Viral Bhayani)

Varun and Alia made a stylish entry on a bike.

Alia brilliantly nailed the 'Dulhania' look.

Varun and Alia performed at the event.

The couple recreated their pose from the film.

Karan Johar, who has produced the film, at the press conference.

Alia and Varun share a joke at the event.

The team of the film pose in style.