Emma Thompson faces unruly co-star as she works her magic as Nanny McPhee

GALLERIES

Emma Thompson faces unruly co-star as she works her magic as Nanny McPhee

She was joined at the London premiere by American actress Maggie Gyllenhaal, who had nothing but praise for Emma. "I'm her biggest fan and I know I'm not alone in thinking she is a brilliant genius," said the 32-year-old beauty. "I would like to work with her on everything"