Best moments at Greenathon3

Priyanka floats on cloud 9 as star-crush SRK gives her a bear hug.

Priyanka's OSO moment – she and SRK dance to Ankhon Mein Teri.

Now that's what we call chemistry. A film together soon, please

Katrina's looks could kill – she joins the Greenathon team live in studio

There's Sheila right there- just as mind-bending offscreen as on it.

The women behind Sheila Ki Jawani bond on stage.

There was no stopping Cyrus - he was like a house on fire.

In an ethereal white salwar kameez, Shabana Azmi commanded respect. She had some inspiring words to day about the environment

Hard Kaur was indeed every bit a rockstar on stage.

Om Puri and Ila Arun had some very meaningful things to say later on Day 1.

The anchors take to drumming. Yes, really.

Priyanka shows Cyrus the moves but he's not even half as good as she is. Or is he?

Priyanka updates Shahid Kapoor on the going-ons.

Star power galore!

Dia, who has always been a big supporter of environment-related causes, looked toothsome as she sat across the hosts.

SRK and PC are lost in the moment.

Vikram Chandra and Dia share a moment.

The soldiers are out to save the environment.

TV's Mouni Roy, Asha Parekh and PC set the stage on fire with a scintillating performance to Asha Parekh's biggest hits

Priyanka is the diva we all admire, but Cyrus takes the prize here.

Rahul Bose adopted the Chikaldhara village as part of the initiative.

Priyanka gets Vikram to shake a leg too, Lara Dutta has a blast solo.

Everyone celebrates as they hold up a check of Rs 2 crore from Union Bank Of India.

The ladies get into their groove

PC's smile says it all.

Richa Sharma and superhero-supersport SRK dance to Sajda.

Lyricist Gulzar added some gravitas to the occasion

Jassi's footstomping performance had everyone on their feet

Priyanka listens intently as NDTV's Dr Prannoy Roy speaks.