LOS ANGELES - Girlfriends Films and It Models will host Adam Carolla's "Blotto In the Grotto" party at the Playboy Mansion on Thursday night.

Girlfriends Films regular Samantha Ryan will join It girls Charley Chase, Piper Austin, Bailey Brooks and Lilly Paige as co-hosts for the event, which will be broadcast live on 97.1 Free FM. Sponsors include Miller Lite, Spearmint Rhino, Subaru and Zack and Miri Make a Porno.

Pictured: Charley Chase, Bailey Brooks and Piper Austin.