21st AVN Awards  was co-hosted by what American enterpreneur who has been called "The Queen of Porn"
Jenna Jameson: Jenna Jameson (born Jenna Marie Massoli; April 9, 1974) is an American entrepreneur, webcam model and former pornographic film actress, who has been called the world's most famous adult entertainment performer and "The Queen of Porn".
i don't know