Rod Stewart, Ronnie Wood and Kenney Jones have announced they will headline the Rock 'n' Horsepower event at Hurtwood Park Polo Club in Surrey, south-east England on September 5, marking their first performance since the death of keyboardist Ian McLagan aged 69 in December.
Kenney - who helped organise the third annual event - said: ''This is the third Rock 'n' Horsepower we've put on for Prostate Cancer UK and it's shaping up to be the biggest yet.
''The years of The Faces were some of the best of my life and I'm so proud to have been a part of the band. I'm unbelievably excited to have the opportunity to get up on stage with Rod and Ronnie again.''
The band reformed for a string of dates with Simply Red's Mick Hucknall on lead vocals instead of Rod Stewart in 2010 and 2011 and although a full reunion had been teased for some time, Ronnie previously blamed Rod's management for the delay.
The 'Stay With Me' hitmakers - whose bassist Ronnie Lane passed away in 1997 - were inducted into the Rock and Roll Hall of Fame in 2012 where they were set to reunite but Rod pulled out of the performance due to illness.