Wash and Go Style for Long Hair
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Wearing denim, Alyson Hannigan attends the movie premiere of "The Hulk" in Hollywood and is coiffed with long layered total auburn hair residing past her shoulders.
Her bangs no doubt hang to her chin if not longer. This is a wash, condition and maybe blow dry, depending upon the texture of your hair and then go look.
See also: More Alyson Hannigan hairstyles