Summit Entertainment has released the last trailer of the third installment of the Twilight saga: Eclipse. It premiered on the Oprah Winfrey Show, with Dakota Fanning as guest. The 16-year old actress plays one of the Volturi Guards, Jane. The fans also got a chance to talk to other cast members like Bryce Dallas Howard (who replaced Rachelle Lefevre as Victoria), Julia Jones (Leah Clearwater), and Nikki Reed (Rosalie Hale) via their different social networking sites. You might also want to check out the Twilight Saga: Eclipse 5-minute sneak peak if you have not done so yet.