It's been a bumpy road but Jessica Biel and Justin Timberlake have certainly brought sexy back with news of their engagement.
From relationship lows (rumors of Timberlake's infidelity) to total highs (the snowboarding pair love the mountains), check out a history of their relationship.
Anthony Mandler directed the accompanying music video, which was shot in Vasquez Rocks Park, near Los Angeles. Rihanna performed "Rehab" on the Good Girl Gone Bad Tour (2007–09), and occasionally on the Last Girl on Earth (2010–11).
Timbaland was on tour with Justin Timberlake to promote Timberlake's 2006 album Future Sex/Love Sounds, which Timbaland had also produced.
of IGN stated that Timberlake and Rihanna work well together, thanks to their similar vocal ranges.
He wrote that the song "reverts to Rihanna's old styled R&B swoon, the groove being built around tambourine shakes, acoustic guitar swirls, and a subtle backbeat." Tom Breinan of Pitchfork Media wrote that Rihanna "comes closer than usual to depicting something resembling human emotion, but she still comes off sounding like a robot programmed to impersonate Alanis Morissette." Sal Cinquemani of Slant Magazine said that "Rehab" proves that Timberlake "is better off penning lyrics about sexy backs or dicks in boxes"—a reference to Timberlake's 2006 singles "Sexy Back" and "Dick in a Box".
After completing a show in Chicago, they joined Rihanna in the studio, where Timberlake experimented with beats and melodies.