According to Wikipedia:
Anna Sophia Berglund (born in San Pedro, Los Angeles, California on April 5, 1986), is an American Playboy model, adult model, actress and reality television personality. She was Playboy magazine’s Playmate of the Month for January 2011. Her centerfold was photographed by Stephen Wayda.
And now she can add “Hollywood Tuna post for Monday, July 30th, 2012” to her portfolio. Somebody better update Wiki. If you like this sweet little piece, you can follow her on twitter here.