Playback singer Sonu Niigaam, who recently teamed up with American singer Jermaine Jackson, has now lent his voice for pop star Britney Spear's new single "I Wanna Go".

Confirming the collaboration, Spears posted on her Twitter account: "So excited about having @sonuniigaam on I Wanna Go. His vocals add such a different feel which I love."

"Watch out Bollywood, it's Britney and Sonu," she further posted.

While Sonu tweeted back saying,: "India loves you Britney @britneyspears. Welcome to Bollywood!

Am loving the fact that it's OUR Collaboration that marks your first step here. God bless you and more power to Great Music."