Bradley Cooper, Oprah Winfrey, and Justin Timberlake are just a few of the stars celebrating birthdays in January.

LOS ANGELES, CALIFORNIA, UNITED STATES (UNRESTRICTED POOL) - January is packed full of A-list stars who will celebrate a birthday. Among them is Bradley Cooper. The actor, who is currently starring in "American Hustle," will turn 39 on January 05.

David Bowie will celebrate his 67th birthday on January 08. The singer, considered by many to be a living music legend, released his latest album, "The Next Day," in 2013.

Kate, the Duchess of Cambridge, will turn 32 on January 09. Kate had a busy year in 2013, giving birth to the future King of England, George, who was born in July.

Orlando Bloom will celebrate his 37th birthday on January 13. The actor, who recently separated from his wife Miranda Kerr, is currently starring in "The Hobbit: The Desolation of Smaug."

Kate Moss will turn 40 on January 16. The British supermodel can next be seen in a made-for-TV documentary called "Looking for Kate," set to air in France in January.

Betty White will turn a young 92 on January 17. The actress and former "Golden Girl" will continue her role on the up-coming season of the TV series "Hot in Cleveland."

Michelle Obama will turn 50 years-old on January 17. The First Lady of the United Stateshas been a pioneer for children's nutrition initiatives and is often compared toJacqueline Kennedy for her sense of style and fashion.

Oprah Winfrey will have a milestone birthday on January 29 - the former talk show host and current star of "Lee Daniels' The Butler" will turn 60.

Finally, Justin Timberlake will mark his 33rd birthday on January 31. The singer, who released 2 albums in 2013, is currently starring in the film "Inside Llewyn Davis."