OS Flashback: 2pac – I Ain’t Mad At Cha By LEGEND June 16, 2011 Tupac Amaru Shakur would have been 40 years old today. Happy birthday ‘Pac. RELATED: Jimmy Henchman Associate Admits to Role in Robbery/Shooting of Tupac; Apologizes To Pac & B.I.G.’s Mothers Share this : Comments