PHOTOS: Rock the Bells 2012 lineup

NEW YORK - OCTOBER 16: Rapper Missy Elliott attends the 10th anniversary party at TAO on October 16, 2010 in New York City. (Photo by Astrid Stawiarz/Getty Images)

NEW YORK - SEPTEMBER 23: Rappers Method Man (L) and Redman onstage at the 2009 VH1 Hip Hop Honors at the Brooklyn Academy of Music on September 23, 2009 in the Brooklyn borough of New York City. (Photo by Stephen Lovekin/Getty Images)

BEVERLY HILLS, CA - FEBRUARY 08: Rapper DJ Quik attends Russell Simmons' 'Salute to Grammy Award Nominees' celebration at a private mansion on February 8, 2009 in Beverly Hills, California. (Photo by David Livingston/Getty Images)

ATLANTA - OCTOBER 18: (L-R) Sandra 'Pepa' Denton and Cheryl 'Salt' James of Salt-N-Pepa perform during the 2008 BET Hip-Hop Awards at The Boisfeuillet Jones Atlanta Civic Center on October 18, 2008 in Atlanta, Georgia. (Photo by Rick Diamond/Getty Images for BET)

LOS ANGELES, CA - NOVEMBER 22: Rapper Timbaland performs onstage at the 2009 American Music Awards at Nokia Theatre L.A. Live on November 22, 2009 in Los Angeles, California. (Photo by Kevork Djansezian/Getty Images)

LOS ANGELES, CA - AUGUST 28: Rapper Tyga attends Cash Money Records' Lil Wayne album release party for 'Tha Carter IV' at Boulevard3 on August 28, 2011 in Los Angeles, California. (Photo by David Livingston/Getty Images)

ATLANTA - OCTOBER 02: The Diplomats perform during the BET Hip Hop Awards '10 at Boisfeuillet Jones Atlanta Civic Center on October 2, 2010 in Atlanta, Georgia. (Photo by Taylor Hill/Getty Images)

NEW YORK - AUGUST 31: Singer E-40 attends the Warner Bros. Records & Atlantic Records VMA after party at Buddakan August 31, 2006 in New York City. (Photo by Brad Barket/Getty Images)

NEW YORK - SEPTEMBER 22: Hip hop artist Big Daddy Kane performs onstage at the Second Annual VH1 Hip Hop Honors at the Hammerstein Ballroom September 22, 2005 in New York City. Kane is an honoree at the show. (Photo by Scott Gries/Getty Images)

INDIO, CA - APRIL 27: Rapper Murs performs during day 3 of the Coachella Valley Music and Arts Festival at the Empire Polo Field on April 27, 2008 in Indio, California. (Photo by Michael Buckner/Getty Images)

HOLLYWOOD - JUNE 26: Rap artsist Too Short arrives to the 2007 BET Awards after party hosted by 10 Cane Rum held at the Roosevelt Hotel on June 26, 2007 in Hollywood, California. (Photo by Chad Buchanan/Getty Images for LMVH)

HOLLYWOOD, CA - SEPTEMBER 24: Kid Cudi performs at Bacardi and Complex Magazine Present The Music Issue Party with Kid Cudi at Siren Studios on September 24, 2011 in Hollywood, California. (Photo by Charley Gallay/Getty Images for Bacardi)

NEW YORK - SEPTEMBER 18: (U.S. TABS OUT) Recording artist Slick Rick performs onstage during MTV's Total Request Live at the MTV Times Square Studios on September 18, 2007 in New York City. (Photo by Bryan Bedder/Getty Images)

SYDNEY, AUSTRALIA - AUGUST 31: Naughty By Nature perform at the Roc Tha Block Concert at the Sydney Entertainment Center, August 31, 2007 in Sydney, Australia. (Photo by Mike Flokis/Getty Images)

NEW YORK, NY - APRIL 30: Prodigy performs during DJ ProStyle's birthday party at Hammerstein Ballroom on April 30, 2012 in New York City. (Photo by Cindy Ord/Getty Images)

INDIO, CA - APRIL 15: Rapper Wiz Khalifa performs onstage during day 3 of the 2012 Coachella Valley Music & Arts Festival at the Empire Polo Field on April 15, 2012 in Indio, California. (Photo by Kevin Winter/Getty Images for Coachella)

SYDNEY, AUSTRALIA - APRIL 15: Lupe Fiasco performs live on stage during Supafest 2012 at ANZ Stadium on April 15, 2012 in Sydney, Australia. (Photo by Brendon Thorne/Getty Images)

IRVINE, CA - MAY 08: Rapper J. Cole performs at The Verizon Wireless Amphitheatre on May 8, 2012 in Irvine, California. (Photo by Kevin Winter/Getty Images)

LOS ANGELES, CA - NOVEMBER 25: DJ Lance Rock performs at Yo Gabba Gabba Live! at Nokia Theatre L.A. Live on November 25, 2011 in Los Angeles, California. (Photo by John Shearer/Getty Images)

LAS VEGAS, NV - MAY 22: Rapper Nas arrives at the 2011 Billboard Music Awards at the MGM Grand Garden Arena May 22, 2011 in Las Vegas, Nevada. (Photo by Isaac Brekken/Getty Images)

NEW YORK, NY - OCTOBER 25: Rapper Michael Wayne Atha, aka Yelawolf, stops by Fuse's 'Hoppus On Music' for an interview with host Mark Hoppus at fuse Studios on October 25, 2011 in New York City. (Photo by Astrid Stawiarz/Getty Images)

NEW YORK, NY - APRIL 09: 2 Chainz at 106 & Park Studio on April 9, 2012 in New York City. (Photo by Craig Barritt/Getty Images)

HOLLYWOOD, CA - MARCH 13: Actor ice Cube arrives at he Premiere Of Columbia Pictures' '21 Jump Street' at Grauman's Chinese Theatre on March 13, 2012 in Hollywood, California. (Photo by Frazer Harrison/Getty Images)

LAS VEGAS - AUGUST 13: Members of rap group Bone Thugs-N-Harmony (from left to right) Layzie Bone, Krayzie Bone and Wish Bone, arrive at Stuff Magazine's fourth annual Stuff Casino Weekend at the Palms Casino Resort on August 13, 2005 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

INDIO, CA - APRIL 13: Rapper Kendrick Lamar performs onstage during day 1 of the 2012 Coachella Valley Music & Arts Festival at the Empire Polo Field on April 13, 2012 in Indio, California. (Photo by Kevin Winter/Getty Images for Coachella)

INDIO, CA - APRIL 14: Rapper ASAP Rocky performs onstage during day 2 of the 2012 Coachella Valley Music & Arts Festival at the Empire Polo Field on April 14, 2012 in Indio, California. (Photo by Karl Walter/Getty Images for Coachella)

INDIO, CA - APRIL 13: Rapper Ab-Soul of Black Hippy performs onstage during day 1 of the 2012 Coachella Valley Music & Arts Festival at the Empire Polo Field on April 13, 2012 in Indio, California. (Photo by Kevin Winter/Getty Images for Coachella)

INDIO, CA - APRIL 13: Rapper Jay Rock performs onstage during day 1 of the 2012 Coachella Valley Music & Arts Festival at the Empire Polo Field on April 13, 2012 in Indio, California. (Photo by Kevin Winter/Getty Images for Coachella)