John Mayer's new album will feature guest vocals from girlfriend Katy Perry.

The US singer-songwriter is unleashing the record 'Paradise Valley' on August 19 in the UK and a day later in America.

It will include the track 'Who You Love', which features a cameo from Perry.

'Channel Orange' man Frank Ocean meanwhile will make an appearance on the song 'Wildfire'.

As previously reported, Katy Perry recently denied suggestion that Mayer could also feature on her upcoming new record 'Prism'.

That album meanwhile is due to be released on October 22.