Entertainment Eminem Raps with Dr. Dre and Rihanna February 13, 2011 / 2:01 PM PST / CBS News (credit: Kevin Winter/Getty Images) Grammy Awards Performances: Eminem With Dr. Dre, Rihanna (credit: Kevin Winter/Getty Images) Grammy Awards Performances: Eminem With Dr. Dre, Rihanna (credit: Kevin Winter/Getty Images) Grammy Awards Performances: Eminem With Dr. Dre, Rihanna (credit: Kevin Winter/Getty Images) Grammy Awards Performances: Eminem With Dr. Dre, Rihanna (credit: Kevin Winter/Getty Images) Grammy Awards Performances: Eminem With Dr. Dre, Rihanna (credit: Larry Busacca/Getty Images For The Recording Academy) Grammy Awards Performances: Eminem With Dr. Dre, Rihanna (credit: Kevin Winter/Getty Images) Grammy Awards Performances: Eminem With Dr. Dre, Rihanna (credit:Kevin Winter/Getty Images) Grammy Awards Performances: Eminem With Dr. Dre, Rihanna (credit: MARK RALSTON/AFP/Getty Images) Grammy Awards Performances: Eminem With Dr. Dre, Rihanna (credit: MARK RALSTON/AFP/Getty Images) Grammy Awards Performances: Eminem With Dr. Dre, Rihanna (credit: MARK RALSTON/AFP/Getty Images)
