Celebrity birthdays in May

Slideshow posted in Photos | Monday, May 14, 2012

17 of 131: Actor Will Arnett turns 42 on May 4, 2012. The Canadian-born actor is known for shows such as 'Arrested Development,' 'The Increasingly Poor Decisions of Todd Margaret,' 'Running Wilde' and '30 Rock.' ( Photo / Lionsgate Television)

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