Preity Zinta and Saif Ali Khan [Images] kicked off the Heat concert in New Jersey on April 15 with a houseful of excited fans.

After his emergency appendectomy in Kuala Lumpur, Malaysia, Saif was not expected to join the tour so soon. But the actor, claiming he was fine, didn't cancel the tour.

Other Bollywood stars performing were Akshay Kumar [Images], Sushmita Sen [Images], Arjun Rampal [Images] and Celina Jaitley [Images].

The next stop for the concert will be New York, on April 22.

Photograph: Mohammed Jaffer-SnapsIndia