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See which of your favorite celebrities are celebrating a birthday in January!

Celebrity Birthdays January 2012

2 – Kate Bosworth (29)

2 – Christy Turlington (43)

3 – Mel Gibson (56)

5 – January Jones (34)

5 – Bradley Cooper (37)

5 – Diane Keaton (66)

7 – Nicolas Cage (48)

7 – Katie Couric (55)

9 – Kate Middleton (aka Duchess of Cambridge) (30)

11 – Amanda Peet (40)

12 – Howard Stern (58)

12 – Kirstie Alley (61)

13 – Orlando Bloom (35)

13 – Patrick Dempsey (46)

14 – Caleb Followill (30)

14 – Jason Bateman (43)

16 – Kate Moss (38)

17 – Michelle Obama (47)

17 – Jim Carrey (50)

19 – Katey Sagal (58)

19 – Paula Deen (65)

22 – Diane Lane (47)

23 – Tiffani Thiessen (38)

23 – Mariska Hargitay (48)

24 – Mischa Barton (26)

25 – Alicia Keys (31)

26 – Ellen DeGeneres (54)

29 – Sara Gilbert (37)

29 – Heather Graham (42)

29 – Oprah Winfrey (58)

29 – Tom Selleck (67)

30 – Christian Bale (38)

31 – Justin Timberlake (31)

31 – Minnie Driver (41)

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Photos by Wenn.com