Author Mario Vargas Llosa is 89. Actor Dianne Wiest is 79. Singer-actor Reba McEntire is 70. Rapper Salt is 59. Country musician Rodney Atkins is 56. Actor Vince Vaughn is 55. Actor Julia Stiles is 44. Singer-actor Lady Gaga is 39. Stylist-TV personality Jonathan Van Ness is 38.