Eminem

Eminem performs during a concert at the Stade de Franc on Aug. 22, 2013, in Saints-Denis, France.

Eminem performs at the 53rd annual Grammy Awards on Feb. 13, 2011, in Los Angeles.

Eminem performs onstage during the 2010 BET Awards held at the Shrine Auditorium on June 27, 2010 in Los Angeles.

Eminem on "60 Minutes"

Eminem and singer Rihanna perform onstage during the 2010 MTV Video Music Awards on Sept. 12, 2010, in Los Angeles.

Rapper Eminem performs at Yankee Stadium Monday, Sept. 13, 2010, in New York.

Rappers Drake, Eminem, and Lil Wayne perform onstage during the 52nd Annual Grammy Awards on Jan. 31, 2010, in Los Angeles.

Rapper Eminem performs onstage during the 52nd Annual Grammy Awards on Jan. 31, 2010, in Los Angeles.

Lady Gaga accepts the award for "Best New Artist" from Eminem during the 2009 MTV Video Music Awards at Radio City Music Hall on Sept. 13, 2009, in New York.

Rappers Jay-Z and Eminem perform together onstage at the launch of "DJ Hero" at the Wiltern Theatre on June 1, 2009 in Los Angeles.

From left to right, Joseph "Rev. Run" Simmons, Eminem and Darryl "D.M.C." McDaniels attend the 24th Annual Rock and Roll Hall of Fame Induction Ceremony on April 4, 2009, in Cleveland.

Rapper Eminem speaks onstage during the 24th Annual Rock and Roll Hall of Fame Induction Ceremony on April 4, 2009, in Cleveland.

Rapper Eminem performs onstage during the 2005 MTV Movie Awards on June 4, 2005, in Los Angeles.

Actress Lindsay Lohan and rapper Eminem appear together during the 2005 MTV Movie Awards on June 4, 2005, in Los Angeles.

Pop legend Elton John performs with rapper Eminem at the 43rd Annual Grammy Awards on Feb. 21, 2001, in Los Angeles.