Five singles were released from the album. The lead single, "Wannabe", reached number one in 35 countries, becoming one of the best-selling singles of all time and selling over six million copies worldwide. The next two singles, "Say You'll Be There" and "2 Become 1", reached number one in 53 countries. "Who Do You Think You Are" was released as the official Comic Relief single in the UK as a double A-side with "Mama" and both songs reached the top 20 in charts across Europe, Australia and New Zealand. In the band's native UK, all four singles went to number one on the UK Singles Chart and, on the "Billboard" Hot 100, the album spawned three top-five singles.