Answer by taking a quote from the following article:

Robin Charles Thicke (born March 10, 1977) is an American singer, songwriter and record producer. Thicke has worked with numerous artists, such as Christina Aguilera,3t, T.I., Nicki Minaj, K. Michelle, Pharrell Williams, Usher, Jennifer Hudson, Flo Rida, Brandy, Kid Cudi and Mary J. Blige, among others. Thicke worked on albums such as Usher's Confessions and Lil Wayne's Tha Carter III, while releasing his own R&B singles in the US including "Lost Without U", "Magic", and "Sex Therapy". He rose to international fame in 2013 with his single "Blurred Lines", which reached number one on the US Billboard Hot 100.

During 2011, Thicke was confirmed to go on tour with Jennifer Hudson, with whom he toured in 2009. Later that year, Robin Thicke released his fifth studio album, Love After War, on December 6, 2011. The album debuted at number twenty-two on the Billboard 200 and number six on the "Top R&B/Hip-Hop Albums" selling 41,000 in its first week. In an interview to promote the album, Thicke has stated that a lot of the inspiration for the album came from his family. The album has produced three singles. The first is the title track, "Love After War" released on October 11, 2011 and has peaked at number fourteen on the "Hot R&B/Hip-Hop Songs" chart and topped the Adult R&B chart making it his second song after "Lost Without U" to top that chart. The music video for the song premiered November 21, 2011. The music video features his wife Paula Patton and consists of Thicke making up with his wife after a fight. The second single is "Pretty Lil' Heart", which features Lil Wayne and was released on November 8, 2011. The music video for that premiered on March 2, 2012. It peaked at number fifty-one on the Hot R&B/Hip-Hop Songs chart. On May 31, 2012, Thicke released a video for his promo single, which was a cover of the Whitney Houston classic "Exhale (Shoop Shoop"). The third official single is "All Tied Up" which was released to Urban AC radio on April 10, 2012. The music video premiered on June 7, 2012 on "Vevo".  Thicke performed "Love After War" on the 2011 Soul Train Music Awards and later returned to the stage to sing "Reasons", trading verses with Joe and Eric Benet, as part of an all-star tribute to Legend Award recipients Earth, Wind & Fire.  Thicke appeared on season 2 of NBC's The Voice as a guest adviser/mentor to the contestants on Adam Levine's team.  In July 2012, Thicke made his feature film debut starring alongside Jaime Pressly in Jimbo Lee's Abby in the Summer, produced by Gabriel Cowan, John Suits, Dallas Sonnier and Jack Heller. The film, shot in 2012, was released in 2014 under the title Making the Rules.  Thicke served as a judge on the ABC television show Duets which premiered May 24, 2012 and which also featured John Legend, Jennifer Nettles, and Kelly Clarkson. The judges doubled as mentors who searched for singers across the country (Robin Thicke's singers being Olivia Chisholm and Alexis Foster) to duet with them as they perform in front of a live studio audience. The premier episode drew in 7 million viewers. The show went live June 28, 2012, allowing the viewers to vote for their favorite contestants.

What is Duets?
ABC television show Duets