Nikki Benz

Nikki Benz, also known as Alla Montchak, is a Ukrainian-born actress, model and adult performer. She is a Canadian national. Born on December 11, 1981, in Zhdanov, a city then in the Ukrainian SSR within the Soviet Union and now known as Mariupol, Ukraine, she was raised in Toronto, Canada. Her professional adult-film career began in 2002, and from that point she has worked in productions based in the United States. She has remained a prominent public figure in the adult entertainment industry.

Her work in adult film has earned two award wins and 23 nominations. Her public profile expanded beyond adult entertainment into mainstream cameos and sustained awards and expo appearances. In 2013 she appeared in Michael Bay's film Pain & Gain, a mainstream credit that furthered her reach beyond adult entertainment. She has also maintained a long-running presence at the AVN Adult Entertainment Expo, including an appearance at the 2026 edition.

In 2014 Benz was among the candidates in Toronto's mayoral election. Her X account, opened in 2008, had reached 972,490 followers by 2026 and is verified. A personal website links her Facebook, Instagram and X profiles, and her X biography also confirms an Instagram presence.