ON MY OWN: Heidi Montag

Going separate ways        Heidi montag is filing for legal separation from Spencer Pratt. The Hills star was spotted entering the Santa Monica Courthouse in California with papers in her hand this week.         A source said, "It's a legal separation. It's all Heidi can do until a lawyer gets 100 per cent involved."Onlookers claim 23-year-old Heidi looked serious as she entered the courthouse and was without her usual make-up and hair styling.         In the legal papers, Heidi claims "irreconcilable differences" as the reason for the separation. Heidi. pleased by the events, promises herself a wonderful time ahead. she writes on her blog, "Laying out in the hot sun! Enjoying the beach. This is going to be the best summer of my life!"