


"Rehab" reached top-ten positions on the singles charts in Austria, Germany, the Netherlands and Norway.

"Rehab" is a mid-paced R&B song with an emotional, melancholy chorus the lyrics are about the protagonist's painful memories of her former lover, who is portrayed metaphorically as a disease. Timberlake wrote the song in collaboration with his producers, Hannon Lane and Timbaland, and provided additional vocals. Development of "Rehab" began while Rihanna was accompanying Timbaland on Justin Timberlake's FutureSex/LoveShow tour in 2007. It was released in the United Kingdom as a CD single on December 8, 2008. Def Jam Recordings serviced the song to contemporary hit radio in the United States on October 6, 2008, as the eighth and final single from the album. "Rehab" is a song recorded by Barbadian singer Rihanna for her third studio album, Good Girl Gone Bad (2007).
