Song help please!

I work at Victoria's Secret, we got a new sound track and there is a song with the lyrics "its the end of the world, the end of the world" with a female singing it. Its very poppy and catchy. Please help!

This one?

Britney Spears - Till The World Ends

http://www.youtube.com/watch?v=qzU9OrZlKb8&ob=av2e