The Spice Girls have released a saucy new video, just one month before the start of their world tour.The single, Headlines (Friendship Never Ends), came out last Friday and is part of the Spice Girls: Greatest Hits album.The single is available now for download and is due in record stores from November 19.The album, which also includes new song Voodoo, features 13 of their hits, including Wannabe and Spice Up Your Life.Seven years after splitting up, the Spice Girls announced in late June that they were reforming for a 14-city reunion world tour which begins in Canada on December 2 and ends on January 24 in Buenos Aires.Victoria Beckham, Melanie Brown, Melanie Chisholm, Emma Bunton and Geri Halliwell - aka Posh, Scary, Sporty, Baby and Ginger - will also sing live for Children In Need on November 16.The Spice Girls were one of the biggest acts of the 1990s, selling over 55 million records.© Independent Television News Limited 2007. All rights reserved.