Biggest Celebrity Splits of 2011 - Scarlett Johansson and Sean Penn

The couple's May-December romance lasted for five months until Penn dumped Johansson in June. A source told Us the actor has not wanted anything "serious" since his 2010 divorce from Robin Wright, adding, "Scarlett pursued him."

Credit: Frank Micelotta/PictureGroup

Read more: http://www.usmagazine.com/entertainment/pictures/biggest-celebrity-splits-of-2011-20111511/18754#ixzz1gksXUvMd