"Lonely" (also known as "Mr. Lonely") is a single by Senegalese singer Akon, it appears on his debut album, Trouble. The single was released in 2005 and was a worldwide hit. It reached number one in several countries, including the United Kingdom, Germany (where it stayed there for eight weeks), and Australia. It was also highly popular in France where it reached number two, and in the United States it peaked at number four. It also did extremely well in Senegal, Akon's motherland, where it stayed on top of the charts for a very long time.