The discography of Canadian recording artist Justin Bieber consists of one studio album/extended play, three singles, and two digital-only singles. The first half of his debut album, My World which is considered an extended play by most media, charted within the top twenty in six countries, including the top spot in Canada and four and six in the UK and United States. The set and was certified Platinum in Canada and the United States. His debut single, "One Time", charted in the top thirty in over nine charts, and was certified Platinum in Canada and the United States. The album's second single, "One Less Lonely Girl" was a top ten hit in Canada, and a top twenty hit in the United States and Germany, and also charted in other countries. Two digital-only singles, "Love Me", and "Favorite Girl", attained chart success. The four remaining songs from the album also charted, making Bieber the first artist in history to do so. The second-half of his debut album, and his first full studio album, My World (Part II), is scheduled to be released on March 30, 2010. The lead single, "Baby (Justin Bieber song)", featuring Ludacris, was released on January 18, 2010, and became Bieber's biggest hit to date, charting within the top five of the United States and Canada.
