Elton John and Eminem at The 43rd Annual Grammy Awards at The Staples Center, Los Angeles, CA., Feb. 21, 2001. (photo by Frank Micelotta/Getty Images)
50 Cent, Eminem and LL Cool J attend ...
50 Cent, Eminem and LL Cool J attend "Eminem: The Way I Am" book release party at Nort/Recon on October 15, 2008 in New York. (Photo by Kevin Mazur/WireImage)
Lady Gaga accepts an award onstage fr...
Lady Gaga accepts an award onstage from rapper Eminem and actor Tracy Morgan during the 2009 MTV Video Music Awards at Radio City Music Hall on September 13, 2009 in New York City. (Photo by Kevin Mazur/WireImage)
Eminem, 50 Cent and Dr. Dre (Photo by...
Eminem, 50 Cent and Dr. Dre (Photo by KMazur/WireImage for Sirius Satellite Radio )
Eminem (Photo by Mirek Towski/FilmMag...
Eminem (Photo by Mirek Towski/FilmMagic)
LOS ANGELES, CA - JANUARY 31: Rapper...
LOS ANGELES, CA - JANUARY 31: Rappers Drake, Eminem and Lil Wayne perform onstage at the 52nd Annual GRAMMY Awards held at Staples Center on January 31, 2010 in Los Angeles, California. (Photo by Lester Cohen/WireImage)
Eminem and D-12 Live on MTV TRL at th...
Eminem and D-12 Live on MTV TRL at the MTV Studios in New York City, New York (Photo by Kevin Mazur/WireImage)
Actor Sacha Baron Cohen as Bruno and ...
Actor Sacha Baron Cohen as Bruno and Eminem in the audience during the 2009 MTV Movie Awards held at the Gibson Amphitheatre on May 31, 2009 in Universal City, California. (Photo by Jeff Kravitz/FilmMagic)
Eminem (Photo by Jeff Kravitz/FilmMag...
Eminem (Photo by Jeff Kravitz/FilmMagic) MTV VMA 2000 Rehearsal