If you're celebrating your birthday in December, click on to see which celebrities share your big day.
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Mario Anzuoni/Reuters
December 18: Christina Aguilera (1980) Others: Katie Holmes (1978), Trish Stratus (1975), Earl "DMX" Simmons (1970), "Stone Cold" Steve Austin (1964), Brad Pitt (1963), Ray Liotta (1954), Leonard Maltin (1950), Steven Spielberg (1946) and Keith Richards (1943)