Nikki Sinn is a retired American adult model and porn star from Des Miones, Iowa. She was active in the porn industry since 1991. Nikki is also known for directing porn movies. Her directorial debut began in 1994 up until 2002. The hot cougar stands tall at 5'8" and weighs 121 lbs. Nikki Sinn undergone a breast enhancement making her figure a whopping 34DD-24-34. The sexy brunette was known for her voracious sexual appetite, especially for anal sex. Nikki has a sexy flower tatoo on her left breast. Some of her works were performed with starlets like Dominique Bouche, Lisa Lipps, Lynn Lemay and Brittany O'Neil. Nikki Sinn can perform both with a boy and a girl with specialties in vaginal, anal and double penetration.