Celebrity birthdays in April

Slideshow posted in Photos | Monday, April 09, 2012

24 of 110: Robert Downey Jr. turns 47 on April 4, 2012. The actor is known for films such as 'Tropic Thunder,' 'Iron man,' 'Iron Man 2,' and 'Sherlock Holmes.' ( Photo / Warner Bros. Pictures (Melinda Sue Gordon)/Legendary Pictures/Green Hat Films)

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