Britney Spears to release Ke$ha single?

Britney Spears is rumoured to be releasing a track by Ke$ha as her next single.

'Till The World Ends' was written by Ke$ha and Dr Luke. Explaining the lyrics Ke$ha told Spin: 'That song is me imagining her and any female musician touring the world

'You know, when you go out, and you're having an amazing, magical night and you don't want to go to sleep and you want it to last until the world ends.'

The single art was posted earlier today and according to a Tweet sent out by a Florida station 93.3FM 'Hearing from Jive Records that we'll have a new @BritneySpears single to play next week!'

Ke$ha previously appeared on the Britney track 'Lace And Leather', reports MTV.

Ke$ha said: 'I just did background vocals for her 'cause I was so broke. I needed to pay me rent. I got a few bucks.'