Notable celebrity breakups of 2010

<div class="meta "><span class="caption-text "> Scarlett Johansson and Ryan Reynolds have decided to end their two-year marriage.  The 26-year-old actress and 34-year-old actor were wed in 2008. (NBC &#47; KABC)</span></div>
December 14, 2010 1:29:14 PM PST