Singer Tom Jones is 73. Actor Ken Osmond (“Leave It to Beaver”) is 70. TV host Jenny Jones is 67. Actor Liam Neeson is 61. Actor William Forsythe is 58. Record producer L.A. Reid is 57. Musician Prince is 55. Singer-guitarist Gordon Gano of Violent Femmes is 50. Rapper Ecstasy of Whodini is 49. Guitarist Dave Navarro is 46. TV personality Bear Grylls is 39. Comedian Bill Hader is 35. Actor Michael Cera is 25.