When it comes to celebrity birthdays, December is chock full of them.<br/> <br />On Monday, December 1st, director Woody Allen, marks his 79th birthday.<br/> <br />Pop star Britney Spears turns 32 the day after.<br/> <br />They're not a likely trio, but Ozzy Osbourne, Amanda Seyfried and Julianne Moore all share the same birthday .... December 3rd.<br/> <br />On December 4th, rapper Jay Z will turn the big 4-5.<br/> <br />Songbird Nicki Minaj rings in her 32nd birthday on December 8th.<br/> <br />Proving that age is just a number, actor Kirk Douglas will turn 98 and Dame Judi Dench celebrates her 80th on December 9th.<br/> <br />"It girl" Taylor Swift will blow out 25 candles on December 13th ...<br/> <br />while Downtown Abbey darling Michelle Dockery will turn 33 on December 15th.<br/> <br />December 18 is a popular day for Hollywood celebrations:<br/> <br />Keith Richards keeps on cranking at 71. Father of six, Brad Pitt will turn 51, director Stephen Spielberg celebrates 68, Christina Aguilera turns 34, and New York-based actress
