Auto-tune pioneer T-Pain has announced that Ke$ha and Lily Allen will both feature on his next studio album.

The producer has lined up some of the biggest names in the industry to appear on 'rEVOLVEr', which is due for release in October. The Lily Allen duet came about when T-Pain tried to sample her song 'Who'd Have Known'

"I sampled one of Lily's songs, and she heard it and wanted to do it official," T-Pain told Rolling Stone. The track could yet feature a guest spot from Drake as well.

Speaking about Ke$ha, T was very complimentary, stating: "She's the new pop version of  a rock & roll artist.  Trashing hotel rooms, doing what they want. I love that she does that and doesn't care."

'Best Love Song', the Chris Brown collaboration, will also appear on 'rEVOLVEr'.