All in the family: Celebrity siblings

Published On: Apr 06 2012 11:59:34 AM CDT   Updated On: Jun 28 2016 01:00:00 AM CDT

Some family trees are lucky enough to have not only one celebrity, but several. Take a look at some famous celebrity siblings, including Tuesday's 50-year-old birthday boy John Cusack and his sister Joan.

celeb siblings - Donnie Wahlberg
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Mark's older brother Donnie Wahlberg is a member of 1980s boy band New Kids on the Block and has also had acting roles in movies such as "The Sixth Sense" and TV shows like "Band of Brothers" and "Blue Bloods."

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