Singer Brian McKnight is 44. Country singer Don Reid of the Statler Brothers is 68. Singer Laurie Anderson is 66. Drummer Nicko McBrain of Iron Maiden is 61. SaxophonistKenny G is 57. Singer Richard Butler of Psychedelic Furs is 57. Actor Ron Livingston is 46. Actor-singerMark Wahlberg is 42. Actor Chad Allen (“Dr. Quinn, Medicine Woman”) is 39. Bassist P-Nut of 311 is 39. Actress Navi Rawat (“Numb3rs”) is 36. Actress Liza Weil (”Gilmore Girls”) is 36. BassistPete Wentz of Fall Out Boy is 34. Actress Amanda Crew is 27.