The Spice Girls were an English pop girl group formed in 1994. The members consist of Victoria Beckham (née Adams), Melanie Brown, Emma Bunton, Melanie Chisholm and Geri Halliwell. They are signed to Virgin Records and released their debut single, "Wannabe" in 1996, which hit number-one in more than 30 countries and helped establish the group as a "global phenomenon". Credited for being the pioneers that paved the way for the commercial breakthrough of teen pop in the late 1990s, their debut album, Spice, sold more than 23 million copies worldwide, becoming the best-selling album by a female group in music history. They have sold over 75 million records worldwide, making them the best-selling female group of all time. Measures of their success include international record sales, a 2007–2008 reunion tour, merchandising, record-breaking achievements, iconic symbolism such as the Union Jack dress, "Girl Power", a box office hit film Spice World and their nicknames.
Under the guidance of their long-time mentor and manager Simon Fuller, the group embraced merchandising and became a regular feature of the British press. In 1996, Top of the Pops magazine gave each member of the group aliases, which were adopted by the group and media alike. According to biographer David Sinclair, "Scary (Brown), Baby (Bunton), Ginger (Halliwell), Posh (Beckham) and Sporty (Chisholm) were the most widely recognized group of individuals since John, Paul, George and Ringo." They are the biggest cultural icons of the 1990s, according to a survey carried out by Trivial Pursuit, winning by 80 percent in a poll of 1,000 people carried out for the board game, stating that "Girl Power" defined the decade.
In May 1998, Halliwell left the group in the middle of numerous rumours. The four remaining members released the third album Forever, but went their separate ways in November 2000 to focus on their solo careers. On 28 June 2007, all five reformed before the launch of their Reunion Tour in December, alongside the release of their Greatest Hits album. In December, a new official documentary Giving You Everything aired on various television networks around the globe. The tour was a success and is estimated to have grossed over US$100 million. The tour won the Billboard 2008 Touring Award for Top Boxscore for a 17-night stand at London's O2 Arena.