Fergie

with Ludacris

with will.i.am

with Q-Tip, GoonRock

with YG

with Nelly

with Artists Stand Up To Cancer, Mariah Carey, Beyoncé, Mary J. Blige, Rihanna, Sheryl Crow, Melissa Etheridge, Natasha Bedingfield, Miley Cyrus, Leona Lewis, Carrie Underwood, Keyshia Cole, LeAnn Rimes, Ashanti, Ciara

with Rick Ross

with Axl Jack

with I-Three, Rita Marley

with will.i.am

with Nicki Minaj

with will.i.am

with Ryan Riback

with GoonRock, Q-Tip

with YG, Moto Blancov

with Sean Kingston

with John Legend

with Soulja Boy

with Jodie Harsh

with Sikdope

with Nick Talos

with Q-Tip, GoonRock

with Q-Tip, GoonRock

with Dave Audé

with Q-Tip, GoonRock

with AFSHEEN

with Suspect 44