Lady Gaga is 34.

Author Mario Vargas Llosa is 84. Country musician Charlie McCoy is 79. Movie director Mike Newell is 78. Actress Conchata Ferrell is 77. Philippines President Rodrigo Duterte is 75. Actress Dianne Wiest is 74. Country singer Reba McEntire is 65. Olympic gold medal gymnast Bart Conner is 62. Actress Alexandra Billings (TV: "Transparent") is 58. Rapper Salt (Salt-N-Pepa) is 54. Actress Tracey Needham is 53. Actor Max Perlich is 52. Movie director Brett Ratner is 51. Country singer Rodney Atkins is 51. Actor Vince Vaughn is 50. Rapper Mr. Cheeks (Lost Boyz) is 49. Actor Ken L. is 47. Singer-songwriter Matt Nathanson is 47. Rock musician Dave Keuning is 44. Actress Annie Wersching is 43. Actress Julia Stiles is 39. Singer Lady Gaga is 34. Electronic musician Clayton Knight (Odesza) is 32.