Doo-Wops & Hooligans is the debut studio album by American singer-songwriter Bruno Mars, released on October 4, 2010. Mars' writing and production team The Smeezingtons were credited with writing all songs and serve as the album's executive producers. Doo-Wops & Hooligans charted at number three on the Billboard 200 and in the top ten in Australia, Canada, Ireland, and New Zealand. Its title refers to doo-wop music and was chosen to reflect simplicity, as well as appeal to both males and females. As of October 2011 the album has sold just over 2 million copies worldwide. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.