Singer Chubby Checker is 71. Magician Roy Horn of Siegfried and Roy is 68. Singer-guitarist Lindsey Buckingham of Fleetwood Mac is 63. Blues singer Keb’ Mo’ is 61. Actor Peter Frechette (”Profiler”) is 56. Actor-comedian Greg Proops is 53. Actor Jack Wagner is 53. Drummer Tommy Lee of Motley Crue is 50. Singer Gwen Stefani of No Doubt is 43. Singer Kevin Richardson of the Backstreet Boys is 41. Actress Neve Campbell is 39. Singer India.Arie is 37. Actor Seann William Scott is 36. Guitarist Josh Klinghoffer of Red Hot Chili Peppers is 33. Singer Ashlee Simpson is 28.