"Rehab" by Rihanna featuring Justin Timberlake , from her 2007 album Good Girl Gone Bad , explores a toxic relationship through the metaphor of addiction. The song was written and produced by Rihanna, Justin Timberlake , Timbaland, and Hannon Lane. You can find the full lyrics and song details at: YouTube Audio TikTok Lyric Video Lyrics Meaning Analysis Rihanna - Rehab ft. Justin Timberlake (Audio)