LOS ANGELES - Adult search engine and directory Booble has announced Vivid contract girl Hanna Hilton will be the Cover Girl of the Month for July.

Booble, which based the contest on its popular fan-sign program, in which adult models place their boobs between the "B" and "ble," said it is "thrilled" to have Hilton as its July champion.

Hilton is eligible for Booble Girl of the Year and a grand prize of $5,000. She will compete for the title against Heidi Mayne, Tera Patrick, Brandy Talore, Trina Michaels, Mariah Milano, Sabrina Deep, Vicky Vette, Sophie Dee,  Shyla Stylez, Nikki Benz, and Catalina Cruz.

Hilton, a Brookville, IN native, launched her adult modeling career in Penthouse the Dec. 2006  Pet of the Month. She signed with Vivid in May of this year and made her XXX movie debut in Meggan and Hanna Love Manuel.

The Booble Girl contest is open to models who are at least 18 years old and have a website or cam show, appear on a website or cam site, or appear in at least one commercially released DVD. Models must use the fan sign provided by Booble. 

Booble users select the contest winners, who receive $500 and entry into the annual contest.

For more information on the contest, visit the Booble website.