Film fans still flocked to see celebrities attending the London premiere of Shall We Dance last night, despite the absence of one its main leads, Jennifer Lopez. Earlier in the day, Lopez issued a statement through the film's distributors Buena Vista International, saying she was unwell and unable to make the premiere, fuelling specualtion that she may be pregnant. The film's director Peter Chelsom said he was disappointed that Lopez was unable to make it. He said: "I'm disappointed. It's a shame. I know it's true that she's not well because she has also cancelled her promotional tour. I've heard...