Singer Taj Mahal is 71. Singer-guitarist George Johnson of The Brothers Johnson is 60. TV personality Kathleen Sullivan is 60. Actor Bill Paxton is 58. Actor-comedian Bob Saget is 57. Singer Enya is 52. Talk-show host Craig Ferguson is 51. Musician Trent Reznor of Nine Inch Nails is 48. TV personality-interior designer Thom Filicia is 44. Singer Jordan Knight is 43. Dancer Derek Hough is 28. Actress Nikki Reed is 25.