Usher's "Confessions" (2004) sold 1.1million copies in its first week and over 8million copies in 2004, since then it has been certified Diamond by the Recording Industry Association of America (RIAA) and, as of 2016, has sold over 10million copies in the US and over 20million copies worldwide. "Confessions" had four consecutive "Billboard" Hot 100 number one singles—"Yeah!", "Burn", "Confessions Part II" and "My Boo". It won three Grammy Awards in 2005, including Best Contemporary R&B Album, Best R&B Performance by a Duo or Group with Vocal for "My Boo" and Best Rap/Sung Collaboration for "Yeah!"