only a fraction of the sales of its predecessors, selling four million copies. The Spice Girls ceased promotional activities in December 2000, as they began an indefinite hiatus to concentrate on their solo careers. They insisted that the group was not splitting. 2007–2008: Return of the Spice Girls and Greatest Hits On 28 June 2007, the Spice Girls, including Halliwell, held a press conference at the O2 Arena revealing their intention to reunite for a worldwide concert tour, the Return of the Spice Girls. The plan to re-form had long been speculated by the media, with previous attempts by the organisers of Live 8 and Concert for Diana to reunite the group as a five-piece falling through. Each member of the group was reportedly paid £10 million ($20 million) to do the reunion tour. Giving You Everything, an official documentary film about the reunion, was directed by Bob Smeaton and first aired on Australia's Fox8 on 16 December 2007, followed by BBC One in the UK on 31 December. Ticket sales for the first London date of the Return of the Spice Girls tour sold out in 38 seconds. It was reported that over one million people signed up in the UK alone and over five million worldwide for the ticket ballot on the band's official website. Sixteen additional dates in London were added, all selling out within one minute. In the United States, Las Vegas, Los Angeles and San Jose shows also sold out, prompting additional dates to be added. It was announced that the Spice Girls would be playing dates in Chicago and Detroit and Boston, as well as additional dates in New York to keep up with the demand. The tour opened in Vancouver on 2 December 2007, with the Spice Girls performing to an audience of 15,000 people, singing 20 songs and changing outfits a total of eight times. Along with the tour sellout, the Spice Girls licensed their name and image to the supermarket chain Tesco. The Spice Girls' comeback single, "Headlines (Friendship Never Ends)", was announced as the official Children in Need charity single for 2007 and was released 5 November. The first public appearance on stage by the Spice Girls occurred at the Victoria's Secret Fashion Show, where they performed two songs, 1998 single "Stop" and the lead single from their greatest hits album, "Headlines (Friendship Never Ends)". The show was filmed by