Liv was joined by director Peter Jackson as well as hobbits Dominic Monaghan, Sean Astin and Gollum, played by Andy Serkis.
And the beautiful Cate Blanchett, Galadriel, wafted around looking mystical all in white.
Many had been waiting in the freezing cold since early morning.
Julie, 16, and her three friends had flown from Aberdeen to get a good place in the crowd.
"We're really big fans - I've seen the first film eight times in the cinema and 10 times on DVD!" Julie told CBBC Newsround Online.