All in the family: Celebrity siblings

POSTED: 9:59 AM PDT April 6, 2012    UPDATED: 11:00 PM PDT June 27, 2016 
John and Joan Cusack, Hollywood Walk of Fame 2012

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.