Some of Hollywood's brightest stars were in attendance on Wednesday (October 29) at the European premiere of Christopher Nolan's latest space epic "Interstellar".<br/> <br />Stars Matthew McConaughey, Anne Hathaway and Jessica Chastain were all on hand for the London screening.<br/> <br />The film follows retired astronaut turned farmer, Cooper, who leaves his children behind on Earth to ensure mankind's future is secured on habitable worlds outside of our galaxy.<br/> <br />"Interstellar" will be released in cinemas on November 7.<br/> <br />Young stars Eddie Redmayne and Felicity Jones hit the red carpet in Beverly Hills on Tuesday (October 28) for the premiere of "The Theory of Everything," a love story/biopic about renowned astrophysicist Stephen Hawking.<br/> <br />Directed by Academy Award winner James Marsh, the film has generated a very strong Oscar "buzz" on several levels.<br/> <br />"The Theory of Everything" has a November 07 release date as well.<br/> <br />Melissa Rivers, the daughter of comedian Joan Rive