Vette topped the field with more than 4,700 votes in February. The win is Vette's second, having also won in March 2007.
Jesse Jane finished in second place and was followed by Lexi Lapetina and Shyla Stylz.
Vette is in the running to be Booble Girl of the Year, which comes with a $5,000 prize. Sabrina Deep, Mariah Milano, Trina Michaels, Brandy Talore, Tera Patrick and Heidi Mayne also are in the running for the title.
Vette, who was born in Norway, has made more than 125 videos and completed more than 25 magazine layouts.
The Booble Girl contest is open to professional models who are at least 18 years old and have appeared on a website, cam show or commercially released DVD. Each month's winner is selected by users of Booble.com.