Retired South African Archbishop and Nobel Peace laureate Desmond Tutu is 87. Comedian Joy Behar is 76. Singer John Mellencamp is 67. Russian President Vladimir Putin is 66. Cellist Yo-Yo Ma is 63. Recording executive and TV personality Simon Cowell is 59. Rhythm-and-blues singer Toni Braxton is 51. Rock singer-musician Thom Yorke (Radiohead) is 50.