Arnold Schwarzenegger and Maria Shriver surprised everyone this week when they announced they were separating after 25 years of marriage -- putting them at the top of our Shocking Celebrity Splits list.
Brad & Jen, Jessica & Nick and even younger stars like Zac & Vanessa, check out which couples we all thought would be in it for the long haul ... and weren't.
Which couples were you really rooting for? Sound off below!
