What do these three have in common?

Correct!. These three celebrities will celebrate their birthday this week.

Singer Katharine McPhee ("American Idol") is 23, musician Elton John is 60. Actress Bonnie Bedelia is 59 and actress Keira Knightley ("Pride and Prejudice," "Pirates of the Caribbean") is 22. March 25: Movie critic Gene Shalit is 75.

Singer Anita Bryant is 67. Singer Aretha Franklin is 65. Actor Paul Michael Glaser (TV's "Starsky and Hutch") is 64.

Musician Elton John is 60. Actress Bonnie Bedelia is 59. Singer Nick Lowe is 58.

Actress-comedian Mary Gross is 54. Actor James McDaniel ("NYPD Blue") is 49. Saxophonist Steve Norman of Spandau Ballet is 47.

Actress Brenda Strong ("Desperate Housewives") is 47. Actress Marcia Cross ("Desperate Housewives") is 45. Actress Lisa Gay Hamilton ("The Practice") is 43.

Actress Sarah Jessica Parker is 42. Singer-guitarist Jeff Healy is 41. Singer Melanie Blatt of All Saints is 32.

Singer Katharine McPhee ("American Idol") is 23. March 26: Actor Leonard Nimoy is 76. Actor Alan Arkin is 73.

Actor James Caan is 67. Singer Diana Ross is 63. Actor Johnny Crawford ("The Rifleman") is 61.

Singer Steven Tyler of Aerosmith is 59. Singer-actress Vicki Lawrence is 58. Actor Ernest Thomas ("What's Happening") is 58.

Singer Teddy Pendergrass is 57. Actor Martin Short is 57. Country singer Ronnie McDowell is 57.

Country singer Dean Dillon is 52. Country singer Charly McClain is 51. Talk show host Leeza Gibbons is 50.

Actress Jennifer Grey is 47. Actor Michael Imperioli ("The Sopranos") is 41. Guitarist James Iha (Smashing Pumpkins) is 39.

Country singer Kenny Chesney is 39. Actor T.R.

Knight ("Grey's Anatomy") is 34. Rapper Juvenile is 32. Actress Amy Smart ("Road Trip," "Felicity") is 31.

Actress Keira Knightley ("Pride and Prejudice," "Pirates of the Caribbean") is 22. Rapper J-Kwon is 21. March 27: Actor Julian Glover is 72.

Actor Austin Pendleton is 67. Actor Michael York is 65. Keyboardist Tony Banks of Genesis is 57.

Keyboardist-guitarist Andrew Farriss of INXS is 48. Director Quentin Tarantino is 44. Singer Mariah Carey is 37.

Drummer Brendan Hill of Blues Traveler is 37. Actress Elizabeth Mitchell ("Lost") is 37. Singer Fergie of Black Eyed Peas is 32.

Actress Emily Ann Lloyd ("Something So Right") is 24. Actress Taylor Atelian ("According to Jim") is 12. March 28: Actress Conchata Ferrell is 64.

Actor Ken Howard is 63. Actress Dianne Wiest is 59. Country singer Reba McEntire is 52.

Actor Vince Vaughn is 37. Rapper Mr. Cheeks of Lost Boyz is 36.

Actor Ken L. ("The Parkers") is 34. Actress Julia Stiles is 26.

March 29: Host John McLaughlin ("The McLaughlin Group") is 80. Comedian Eric Idle is 64. Composer Vangelis ("Chariots of Fire") is 64.

Singer Bobby Kimball of Toto is 60. Actor Christopher Lambert ("Highlander") is 50. Singer Perry Farrell of Porno for Pyros and Jane's Addiction is 48.

Comedian Amy Sedaris is 46. Model Elle Macpherson is 44. Singer-harmonica player John Popper of Blues Traveler is 40.

Actress Lucy Lawless ("Xena: Warrior Princess") is 39. Country singer Regina Leigh of Regina Regina is 39. Country singer Brady Seals is 38.

March 30: Actor Richard Dysart is 78. Actor John Astin is 77. TV personality Peter Marshall is 77.

Actor Warren Beatty is 70. Drummer Graeme Edge of the Moody Blues is 66. Musician Eric Clapton is 62.

Actor Robbie Coltrane ("Harry Potter") is 57. Actor Paul Reiser is 50. Rapper MC Hammer is 44.

Actor Ian Ziering ("Beverly Hills 90210") is 43. Singer Tracy Chapman is 43. Singer Celine Dion is 39.

Singer Norah Jones is 28. March 31: Actress Peggy Rea ("Grace Under Fire") is 86. Actor William Daniels ("St.

Elsewhere") is 80. Actress Shirley Jones is 73. Actor Richard Chamberlain is 73.

Country singer-songwriter John D. Loudermilk is 73. Musician Herb Alpert is 72.

Actor Christopher Walken is 64. Comedian Gabe Kaplan ("Welcome Back Kotter") is 62. Actress Rhea Perlman ("Cheers") is 59.

Actor Ed Marinaro ("Hill Street Blues," "Sisters") is 57. Guitarist Angus Young of AC/DC is 52. Actor Ewan McGregor is 36.

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