The Spice Girls are to release a new song for the first time since 2007 and includes vocals from Victoria Beckham.To mark their 25th anniversary, the 90s girl group have announced they will be putting out a previously unreleased power ballad called Feed Your Love which they recorded when they were younger.The song will be featured on the bands Wannabe25EP which goes on sale next month, and fans are already desperate to get their hands on it.The emotional song is thought not to have hit the