Celebrity Breakups of 2010

Best of 2010: Who Had the Most Shocking Breakup of the Year?

It's always sad to see romances come to an end, and this year saw the demise of many long-lasting or short-lived Hollywood relationships. We took a look back at 2010's most adorable duos, and now we're focusing on the splits we didn't see coming. So, tell us — who do you think had the most shocking breakup of 2010?

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