Singer Valerie Simpson of Ashford and Simpson is 67. Singer Bob Cowsill of The Cowsills is 64. Bandleader Branford Marsalis is 53. Actor Chris Burke (“Life Goes On”) is 48. Singer Shirley Manson of Garbage is 47. Actress Melissa McCarthy is 43. Actor Macaulay Culkin is 33. Singer Brian Kelley of Florida Georgia Line is 28. Singer-actress Cassie is 27. Actress Keke Palmer (“Akeelah and the Bee”) is 20.