View Alyson Hannigan's hairstyles. Browse through pictures of Alyson Hannigan's hair styles, cuts and trends.
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Celebrity Name: Alyson Hannigan; Hair Length: Long
Photo Credit: Alberto E. Rodriguez/Getty Images
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!["How I Met Your Mother"](http://mylt.ltcdn.com/d6/sites/mylifetime.com/files/images/imagecache/carousel_159x119/2011/01/12/HIMYM-159x119.jpg ""How I Met Your Mother"")
