Holly Madison was honored with the 2011 Beautiful Humanitarian Award at the North American Hairstyling Awards (NAHA) on Sunday, July 31, 2011 in Las Vegas.
Madison, 31, is a passionate advocate for the rights of animals, dedicating her time, talent and fame supporting organizations such as the Animal Foundation of Las Vegas and PETA.
The former Playboy Playmate wore a perforated taupe leather Hervé Léger bandage dress to the event Sunday.
Check out photos of Holly Madison at the North American Hairstyling Awards in Vegas:
Photo Credit: PRPhotos.com