Slideshow posted in Photos | Monday, May 14, 2012
5 of 131:
Ellie Kemper turns 31 on May 2, 2012. The actress is most known as Erin on the hit American TV show, 'The Office.' Kemper has also appeared in movies such as 'Get Him to the Greek,' 'Somewhere' and 'Mystery Team.'
( Photo / NBC)