**FILE** Singer-actor Justin Timberlake attends a gala benefit for the Metropolitan Museum of Art's Costume Institute in New York in May 2012. (Associated Press)
Justin Timberlake’s last album was 2006’s “FutureSex/LoveSounds.” “When I do sit down and decide to do it, it’s just a special thing,” he said. (Associated Press)
Cast member Justin Timberlake attends the premiere of "Trouble With the Curve" on Sept. 19, 2012, at the Westwood Village Theater in Los Angeles. (Matt Sayles/Invision/Associated Press)
In "Friends with Benefits" (2011), Justin Timberlake and Mila Kunis, above, played "millennials who, clueless about how to maintain romantic relationships, agree to engage in casual sex," writes Kira Davis. (Sony Screen Gems)
The cast of "The Social Network" from left, Armie Hammer, Andrew Garfield , Justin Timberlake and Jesse Eisenberg on stage at the 17th Annual Screen Actors Guild Awards on Sunday, Jan. 30, 2011, in Los Angeles. (AP Photo/Mark J. Terrill)
In this photo provided by Starpix, Justin Timberlake (left) and Armie Hammer arrive at the world premiere of "The Social Network" in New York on Sept. 24, 2010. (Associated Press/Starpix, Marion Curtis)
Justin Timberlake, Jesse Eisenberg, and Andrew Garfield arrives at the MTV Video Music Awards on Sunday, Sept. 12, 2010 in Los Angeles. (AP Photo/Chris Pizzello)
From left, Jesse Eisenberg, Andrew Garfield and Justin Timberlake are seen on stage at the MTV Video Music Awards on Sunday, Sept. 12, 2010 in Los Angeles. (AP Photo/Matt Sayles)
FILE - In this May 3, 2010 file photo, singer Justin Timberlake arrives at the Metropolitan Museum of Art Costume Institute gala in New York. (AP Photo/Evan Agostini, file)
In this publicity image released by NBC, host Jimmy Fallon, left, performs with singer Justin Timberlake during "Late Night with Jimmy Fallon," Wednesday, Sept. 29, 2010 in New York. (AP Photo/NBC, Lloyd Bishop)
** FILE ** Justin Timberlake reaches across Janet Jackson just before uncovering her right breast during the halftime performance at Super Bowl XXXVIII in Houston in 2004. (Associated Press)