All in the family: Celebrity siblings

POSTED: 9:59 AM PDT April 6, 2012    UPDATED: 11:00 PM PST January 12, 2015 
Luke, Liam and Chris Hemsworth, 2014

Some family trees are lucky enough to have not only one celebrity, but several. Take a look at some famous celebrity siblings, including birthday boy Liam Hemsworth and his older brothers.