Beyonce unveils new track

Beyonce has revealed another song from her forthcoming album '4'.

The singer has posted 'Best Thing I Never Had' on her official VEVO Channel for fans to hear.

The track is expected to be the second single to be released from her new album, which is due out on June 27.

She will headline the main stage at this year's Glastonbury festival the day before.

Her first single 'Run The World (Girls)' was revealed earlier this year. 

The follow-up to her 2008 album 'I Am...Sasha Fierce' was recorded between spring 2010 and 2011. 

Listen to audio from the track below...