Are Miley Cyrus and Patrick Schwarzenegger an item, or just close friends? It depends on which sources you believe.The "Wrecking Ball" singer and 21-year-old son of Arnold Schwarzenegger and Maria Shriver have been spotted and photographed together recently."They spent a lot of time together this past weekend," a source told People. "They have been hanging out at his L.A. apartment and at Miley's house."Yep, they're...