OMG Tour was the fourth concert tour by American recording artist Usher. Visiting North America, Asia, Europe and Australia, the tour accompanies his sixth studio album, Raymond v. Raymond (2010), as well as his first extended play, Versus (2010). At the conclusion of 2011, the tour placed seventh on Billboard's annual, "Top 25 Tours", earning nearly $75 million with 73 shows.

Usher Raymond IV is an American singer, songwriter, and dancer. He is recognized as an influential figure in contemporary R&B and pop music. Usher first released his self-titled debut album (1994) at the age of 15, and rose to fame in the late 1990s following the release of his second album, My Way (1997). It spawned his first Billboard Hot 100 number-one single "Nice & Slow", and the top-two singles "You Make Me Wanna..." and the title track. His third album, 8701 (2001) saw continued success and contained two number-one singles, "U Remind Me" and "U Got It Bad", as well as the top-three single "U Don't Have to Call". It sold eight million copies worldwide and won his first two Grammy Awards for Best Male R&B Vocal Performance consecutively in 2002 and 2003.