Ludacris has been named as one of the judges for the fourth annual “CNN Heroes: An All-Star Tribute” awards ceremony. He joins Muhammad Ali, Ricky Martin, Holly Robinson Pete, Hill Harper, and more on the Blue Ribbon Panel to review the year’s top ten heroes. Each top ten hero will receive $25,000 while the winner will go home with $100,000 for their humanitarian efforts. The all star tribute honoring the chosen heroes will air on November 25 at 8PM ET on CNN. Click here for more information on the program and a look at all of the nominees.