Priyanka Chopra went on to become a global figure, post her singles release. And now the multi-talented actress has crooned for UNICEF's campaign.

A global campaign by UNICEF will celebrate the 25th anniversary of the Convention on the Rights of the Child. 

The music video also features Katy Perry, actor Idris Elba, Nicole Scherzinger, Black Eyed Peas, singer Will.i.am and Rumer Willis.

PeeCee wrote on twitter, "Soooooo freakin cool to be a part of this video!! Singing with John Lennon! Who wud have thot! Yay! Thank you @UNICEF http://imagine.unicef.org/en/."

International artists such as Will.i.am and Pitbull had crooned and featured in Priyanka's singles, 'In My City' and 'Exotic' respectively.