There". International success In January 1997, "Wannabe" was released in the United States. It proved to be a catalyst in helping the Spice Girls break into the US market when it debuted on the Hot 100 Chart at number eleven. At the time, this was the highest-ever debut by a non-American act, beating the previous record held by the Beatles for "I Want to Hold Your Hand", and the joint highest entry for a debut act alongside Alanis Morissette's "Ironic". "Wannabe" reached number one in the US for four weeks. In February, Spice was released in the US, and became the best-selling album of 1997 in the US, peaking at number one, and was certified 7× Platinum by the RIAA for sales in excess of 7.4 million copies. The album was also included in the Top 100 Albums of All Time list by the Recording Industry Association of America (RIAA) based on US sales. In total, the album sold over 23 million copies worldwide becoming the best-selling album in pop music history by an all-female group. Later that month, the Spice Girls performed "Who Do You Think You Are" to open the 1997 Brit Awards, with Geri Halliwell wearing a Union Jack mini-dress that became one of pop history's most famed outfits. At the ceremony, the group won two Brit Awards; Best British Video for "Say You'll Be There" and Best British Single for "Wannabe". In March 1997, a double A-side of "Mama"/"Who Do You Think You Are" was released in Europe, the last from Spice, which once again saw them at number one, making the Spice Girls the first group since the Jackson 5 to have four consecutive number one hits. Girl Power!, the Spice Girls' first book, was launched later that month at Virgin Megastore. It sold out its initial print run of 200,000 copies within a day, and was eventually translated into more than 20 languages. In April, One Hour of Girl Power was released; it sold 500,000 copies in the UK between April and June to become the best-selling pop video ever, and was eventually certified thirteen times platinum. In May, Spice World, a film starring the group, was announced by the Spice Girls at the Cannes Film Festival. The group also performed their first live UK show for the Prince's Trust benefit concert. At the show, they breached royal protocol when Brown and then Halliwell