-10 Chris Brown - "No BS"
NEW YORK - OCTOBER 27: Chris Brown attends GQ's The Gentlemen's Ball at The Edison Ballroom on October 27, 2010 in New York City. (Photo by Larry Busacca/Getty Images for GQ)
#9 Lil Wayne w/ Drake "Right Above It"
MIAMI, FL - JANUARY 04: Rapper Lil' Wayne watches a game between the Miami Heat and the Milwaukee Bucks at American Airlines Arena on January 4, 2011 in Miami, Florida. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and/or using this Photograph, User is consenting to the terms and conditions of the Getty Images License Agreement. (Photo by Mike Ehrmann/Getty Images)
#8 Chris Brown w/ Tyga & Kevin McCall "Deuces"
HOLLYWOOD - AUGUST 04: Singer Chris Brown performs at the premiere after party of Screen Gems' "Takers" at Boulevard 3 on August 4, 2010 in Hollywood, California. (Photo by Frazer Harrison/Getty Images)
#7 Trey Songz "Can't Be Friends"
NEW YORK - OCTOBER 05: Recording artist Trey Songz performs onstage at the "So Kodak" launch at the Best Buy Theater on October 5, 2010 in New York City. (Photo by Bryan Bedder/Getty Images)
#6 Diddy / Dirty Money w/ Drake "Loving You No More"
LONDON, ENGLAND - JANUARY 20: P. Diddy signs copies of the Diddy Dirty Money single "Coming Home" at HMV, Oxford Street on January 20, 2011 in London, England. (Photo by Ian Gavan/Getty Images)
#5 Keri Hilson "Pretty Girl Rock"
HOLLYWOOD, CA - JANUARY 14: Singer Keri Hilson attends the Critics' Choice Movie Awards Official After Party at Siren Studios on January 14, 2011 in Hollywood, California. (Photo by Neilson Barnard/Getty Images)
#4 Rihanna w/ Drake "What's My Name?"
LOS ANGELES, CA - NOVEMBER 21: Singer Rhianna arrives at the 2010 American Music Awards held at Nokia Theatre L.A. Live on November 21, 2010 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)
#3 Waka Flocka Flame w/ Roscoe Dash & Wale "No Hands"
ATLANTA - OCTOBER 02: Waka Flocka Flame attends the BET Hip Hop Awards 2010 at Boisfeuillet Jones Atlanta Civic Center on October 2, 2010 in Atlanta, Georgia. (Photo by Taylor Hill/Getty Images)
#2 Wiz Khalifa "Black & Yellow"
#1 Rick Ross ft Drake "Aston Martin Music"
ATLANTA - NOVEMBER 10: Recording Artist Rick Ross attends the 2010 Soul Train Awards at the Cobb Energy Center on November 10, 2010 in Atlanta, Georgia. (Photo by Moses Robinson/Getty Images)