James Cameron received his star on the Hollywood Walk of Fame this morning, the day Avatar is released nationwide. Most of the cast, including Sigourney Weaver, Michelle Rodriguez, Giovanni Ribisi, and Sam Worthington were in attendance, and even the Terminator himself stopped by to make a quick bumbling speech about how jealous he was of Cameron's Oscars. Keep dreaming, Arnie! Sigourney Weaver took the podium and did a mock wedding ceremony, marrying Cameron to the cement sidewalk, and then the day was declared "James Cameron Day" in Hollywood. Hurrah! (Click photos to enlarge) ...