Celebrity birthdays in September

Slideshow posted in Photos | Friday, August 24, 2012

6 of 65: Beyonce Knowles turns 31 on Sept. 4, 2012. The singer is known for her hit songs such as 'Crazy in Love' and 'Irreplaceable,' along with films such as 'The Pink Panther' and 'Dreamgirls.'

Pictured: Beyonce appears in an undated photo posted on her Tumblr blog in April 2012. (beyonce.tumblr.com)

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