Singer Bobby McFerrin is 63. Actress Susan Richardson (“Eight Is Enough”) is 61. Country singer Jimmy Fortune of the Statler Brothers is 58. Singer Nina Hagen is 58. Singer Cheryl Lynn is 56. Actress Alex Kingston is 50. Singer Lisa Loeb is 45. Actor Terrence Howard is 44. Actor Johnny Knoxville is 42. Singers Benji and Joel Madden of Good Charlotte are 34. Actress Thora Birch is 31.