Mumbai: Bollywood heartthrob Ranbir Kapoor is slated to do his first promotional video for Vikas Bahl’s ‘Chillar Party’.

This is for the first time ever, there is going to be an item song or promotional video for a kids flick.

The music of the film has been composed by Amit Tiwari and this particular song is a mix of street instruments, local voices and dialect.

Choreographed by Bosco Ceasar who has also mixed street dancing with contemporary style, the song is sung by Amit and his mother.

"Ranbir saw the film and loved it. Thats when we requested him if he would do an item song for the kids and he loved the idea, and readily agreed," said director Bahl.