Actress Shirley MacLaine is 81. Author Sue Grafton is 75. Actress-singer-director Barbra Streisand is 73. Actor-comedian Cedric the Entertainer is 51. Actor Rory McCann ("Game of Thrones") is 46. Singer Kelly Clarkson is 33. Rock singer-musician Tyson Ritter (the All-American Rejects) is 31. Actor Doc Shaw is 23. Golfer Lydia Ko is 18.