` `` America : A Tribute to Heroes An All-Star Tribute '' aired Thanksgiving weekend on CNN . Grammy winners John Legend , Alicia Keys and John Legend performed . The show honored the top 14 CNN Heroes as selected by a distinguished panel . Liz McCartney of Louisiana , St. Bernard Parish , named CNN Hero of the Year .
`` CNN Heroes : An All-Star Tribute '' aired Thanksgiving weekend on CNN . Grammy winners Christina Aguilera , Alicia Keys and John Legend performed . The show honored the top 10 CNN Heroes as selected by a distinguished panel . Liz McCartney of St. Bernard Parish , Louisiana , named CNN Hero of the Year .