Actress Stefanie Powers is 70. Keyboardist Keith Emerson of Emerson, Lake and Palmer is 68. Singer J.D. Souther is 67. Drummer Carter Beauford of the Dave Matthews Band is 55. Singer k.d. lang is 51. Bassist Bobby Dall of Poison is 49. Actress Lauren Velez (“Dexter”) is 48. Actor David Schwimmer is 46. Bassist Fieldy of Korn is 43. Rapper Nelly is 38. Actor-singer Kendall Schmidt (“Big Time Rush”) is 22.