Today (May 21) marks the 40th birthday celebration of the late Christopher "The Notorious B.I.G." Wallace. Though he's gone in the physical, the Notorious One is celebrated in spirit. As his life and legacy continues to be remembered, XXL reached out to the Invisible Bully's right hand man, Lil Cease to pen a birthday card to the B.I.G. homey and the man he calls the G.O.A.T. Ain't another MC that can fill his shoes..."