Jay Leno Gets All-Star Sing-Off Farewell from Oprah, Carol Burnett, Billy Crystal and Others

On Jay Leno’s final broadcast hosting NBC’s “The Tonight Show,” Billy Crystal joined by Jack Black, NBA Clippers star Chris Paul, Sheryl Crow, Kim Kardashian, Jim Parsons, Carol Burnett and Oprah Winfrey, sang Leno goodbye to the tune of “So Long, Farewell” from “The Sound of Music”…