Jameson, who's legal last name is Massoli, filed legal papers in Los Angeles County Superior Court, to split from Sterling, who's real name is Jay Grdina, TMZ.com reported Tuesday. They have been married 3 1/2 years.
A source told TMZ that the couple has no prenuptial agreement but the divorce may get ugly due to Jameson's deal with Playboy that has her reportedly rolling in money.
Jameson has reportedly been spending time with Ultimate Fighting champion Tito Ortiz. They were most recently spotted together in the green room at VH1's Big in '06 awards.