Britney Spears new single available now

Britney Spears' new single is available now.

'Till The World Ends' is the second single from 'Femme Fatale' and the follow up to 'Hold It Against Me'.

Britney's manager Adam Leber Tweeted: '#TILLTHEWORLDENDS is now available on ITUNES...

'You can also Pre-Oder the DELUXE version of #FEMMEFATALE and get #TILLTHEWORLDENDS immediately upon purchase...'

The track is available now from iTunes.